* AccidentalInnuendo:
** The description for the Dios Katana says it can "pierce foes and detonate inside them."
** Tri Ultimate's description of the Gigginox mentions that [[FreudWasRight parts of its body harden when it becomes excited.]]
** One of the items you can carry is called "Hot Meat".
* AnticlimaxBoss
** Ceadeus, to most. While its attacks are fairly damaging and difficult to dodge if you're close to it, especially without the Lagiacrus armor, you can't fail against it unless you faint three times or don't cut its beard before it gets to Area 3. Upon hitting the seemingly narrow time limit of 30 minutes, it flees and you get some materials. You are then free to take the quest over and over until you've completely whittled down its health.
** The two kings of this trope are probably Lao Shan Lung and Yamatsukami, both of whom are even more predictable than the above. Lao doesn't even have a move that targets players on the ground, whilst virtually every one of Yama's attacks is clearly telegraphed and easily avoidable even if you have the reaction time of a dead cow.
** The Ivory Lagiacrus in Tri Ultimate is hyped up pretty heavily in game, [[spoiler: being the monster that eventually forced the Village Chief into retirement from his hunting career and all]], and is also the last fight before the credits sequence. In practice, however, it's a slightly stronger Lagiacrus who has roughly the same (or, in some occasions, less) health as most of the fights leading up to it, fights nearly entirely on land (generally considered to be easier than fighting them in water), and whose only real additional threats compared to the normal Lagaicrus are slightly wider hitboxes on its electric attacks and slightly increased damage.
** Barring monsters with dodgy hitboxes or unstable animations, any fight can be mastered due to each beast's well defined behavior. Unfortunately even in offline mode most players will ''have'' to run them until they become easy if they want to craft good equipment.
* AwesomeButImpractical: Some monster attacks. An example that springs to mind is [[PlayingWithFire Agnaktor's]] [[FrickinLaserBeams Magma Beam]]. It's an incredibly powerful attack that can inflict severe burns and has a great aesthetic coming off of one of the most [[CrazyAwesome metal monsters going]], but unless it actually bothers to spin around, anyone with half an idea of what they're doing (which by the point where Agnaktor is encountered, you should) will find it so easy to avoid that it's essentially a few free hits.
* ComplacentGamingSyndrome: One of the series' trademarks used to be the rock-paper-scissors mechanic of picking a weapon with the right elemental type to be good against your enemy, then ''Monster Hunter 3 Ultimate'' added the explosive slime element. Slime does massive damage and isn't actually resisted by anything, so many players just make a good slime weapon and then never use anything else ever.
* CultClassic: A strange example because even though in Japan these games are easily considered a KillerApp and very popular, internationally, it is much less popular overall but the fandom of it still very much love the games. This is one of the main reasons that half of the games [[NoExportForYou are not released outside Japan]].
* EightPointEight: [[WebAnimation/ZeroPunctuation Yahtzee's review]] of ''Tri'' sparked an edit war on the ZP Dethroning Moment page and a Hiroshima's worth of backdraft across the internet. Things got worse when he talked about the game in his "Extra Punctuation" column the following week, in which he announced that he had stopped after the Great Jaggi fight. Said fight is occasionally considered by the community to be the unofficial end of ''the tutorial for Tri'', which certainly did not reflect well on him in their eyes.
* GameBreaker:
** Hammers in Tri, attack twice then windup charge, then attack immediately after you go into charge mode; then repeat, you attack as fast as Sword and Shield.
** The Slime element introduced in ''Monster Hunter 3 Ultimate'', which throws the balance of the game out the window, making the other elements obsolete. The Kelbi Bow, with the Awaken skill which unlocks its Slime element, is becoming infamous because of this, thanks to its level 1 charge spreadshot (5 shots), allowing it to inflict the Slime element quickly and easily ForMassiveDamage. ''And that's before you apply bonuses from Bomber skill''. Granted, monsters will gradually increase their resistance against Slime elements (like any other status attacks), farming Brachydios is not easy, and slow weapons [[BoringButPractical prefer high raw damage]] to status or elemental attributes, but Slime's utility makes it a great all-rounder.
* GoddamnBats: Quite a few of them. "STUPID VESPOIDS!" and "STUPID BULLFANGOS!" is practically a catch phrase to some hunters.
** Tri adds Goddamned Rhenoplos to the mix. Basically they're a mashup of a Bullfango and an Apceros - they share the Bullfango's love for charging but knock you even further, and they have health about equivalent to an Apceros. Add in armored craniums that can deflect frontal attacks of even green sharpness and you've got one annoying enemy.
** Tri also adds Bnahabras, souped up Vespoids. While Vespoids were annoying for sneaking up on you then leaving you vulnerable to attack by a paralyzing sting, Bnahabras add in the ability to shoot a defense-lowering goop at your hunter, making everything else hurt more.
** The Melynxes in ''Tri'' don't hurt you, but they steal your items. What they steal could be anything from an Insect Husk to a Max Potion. Granted, you can get them back by hitting them or going to the cat statue if they flee, but you don't want your more valuable items getting swiped while you're fighting something else. Fortunately, they can be distracted if you use a Felvine Bomb on another monster.
** In Tri Ultimate, all of the smaller minion bird wyverns. Male Jaggi are tolerable and rarely knock you down. The larger female Jaggia however have a full body check that sends you flying as far as a Bullfango/Rhenoplos charge plus a bite attack that knocks you down. Wroggis also have the same body check as the Jaggia and a poison breath attack. Luckily its not as potent as a fully grown Great Wroggi but the thing that sucks is Great Wroggi will target you with its strongest attacks when you are poisoned. Baggis are just as annoying with their sleep toxin that'll drop you in about 10-15 seconds. Like Great Wroggi, Great Baggi will '''hound''' you as soon as you get drowsy. And they sometimes attack your prey when its sleeping.
* GoddamnedBoss:
** Any boss in ''Tri'' that is capable of going underwater, due to the [[ScrappyMechanic unpolished underwater controls]].
** Before ''Tri'' and in ''4'', there is the Gypcerous, a monster encountered fairly early game, which doesn't have much damage potential but has annoying hard hide for that point of the game, can poison, do a flash bomb-like attack that can stun you, AND ''steal items'', and unlike Melynxes, cannot be taken back. It also has a move where it will play dead and attack if you come near, but at least with that move you can carve some materials from it if your careful.
** The Baleful Gigginox. It ditches its egg-laying ability, freeing you of the worry of Giggis leeching your health away, but in addition to some powerful thunder attacks, it also has a tendency to [[MakeMeWannaShout roar]]. ''[[MostAnnoyingSound A lot]].'' And basic Earplugs won't protect you; you need high-grade Earplugs to shield against its roars.
* HellIsThatNoise: Some wyverns can produce utterly otherworldly roars, take Diablos, Khezu or Gigginox, for example.
** The Leviathan Nibelsnarf, despite its UnfortunateName, probably takes the cake. Its roar sound less like a roar and more like ''grating metal''. That it comes from a mouth that has MoreTeethThanTheOsmondFamily doesn't help.
** A few hunting horns are capable of this, too; in particular, the Apocalypso, which lets out a loud shriek when a song is played on it; and if you're playing with someone using it, you'll be hearing that sound A LOT. Thankfully, unlike most examples of this trope, the sound is a good thing, as it means that you and your teammates in the room will be receiving a status buff.
** Uragaan, before certain attacks, makes a kind of odd noise that sounds like a deep wheezing noise, typically during its chin slam but other attacks as well. This is usually the sound you hear before you enter [[ThatOneAttack a whole world of hurt]].
** Hearing the Deviljho's roar is bad enough considering what's coming your way, but the roar itself sounds less like it comes from a creature and more like a bomb going off.
* InternetBackdraft: When news that ''Monster Hunter Tri'' was going to be a Wii-exclusive, the 360 and PS3 fans did not take it well.
** When fans found out that not only is the UpdatedRerelease of Tri exclusive to the Nintendo3DS, but the upcoming sequel as well, fans weren't amused.
** In a less {{Console Wars}}-based example, the fact that the 3DS version of ''Monster Hunter 3 Ultimate'' has no online multiplayer, being limited to local multiplayer, made some people bitter, especially considering that ''Monster Hunter 4'', which will be released on the 3DS too, will offer online multiplayer. The Wii U version of the game will allow online multiplayer, though.
* LesYay: The female owner of the item shop in Tri REALLY likes hunters, even if you choose to play as a female. At one point she will even crack a joke about accepting a lock of your hair for an expensive item.
* MemeticMutation:
** [[http://www.youtube.com/watch?v=nSq0GEqtnJI GOTCHA BITCH!]]
** Don't get hit! HIT IT UNTIL IT DIES!
** NIBELSNARF
** [[GIJoe G.I. 'Jho.]]
** [[HitboxDissonance Hipcheck!]][[labelnote:Explanation]]Plesioth's hipcheck attack is notorious for having a disproportionately large hitbox, allowing it to smack the player even if they aren't touching any part of the Plesioth's body.[[/labelnote]]
* MostAnnoyingSound:
** The "bonk!" sound of a weapon bouncing off.
** The sound that plays when your character is stunned.
** The meowing of [[BanditMook Melynxes]] when you're trying to fight another monster.
** Fittingly enough, the monsters' [[MakeMeWannaShout roars]], especially if employed in succession, as they render you immobile for the length of the roar and, in rare cases, ''damage you.'' Monster roars can [[GoddamnedBoss get very old very fast]].
* MostWonderfulSound:
** The tearing sound when you finally cut off a monster's tail, which is often used for nasty attacks and [[ItemFarming prized as a source of rare materials]], tends to be very ''satisfying''.
** The meowing sounds the [[CuteKitten Felynes]] make.
** The "Quest Complete!" jingle; very satisfying especially if you've just defeated a [[MarathonBoss very durable]] or [[GoddamnedBoss very painful]] boss.
* PlayTheGameSkipTheStory: The ''Monster Hunter'' world is filled with robust wildlife with unique traits, various habitats and lots of locales, many of which aren't even visited. Looking at the quest descriptions can paint a pretty good picture of the type of society the world is, and how the hunters effect them. There are also various sentient races that aren't monsters, like Wyverians, Felynes, Melynxes and Shakalakas. There are even what are presumably maps of the world at the base camps in some locations. Even the weapons and armors have colorful descriptions, especially in regards to the origins of the weapons or the cultures they come from. But go on any forum and 99.9% of what you'll see is how to fight a monster or where to get what material. All ANYBODY cares about is the gameplay.
** Even more apparent with ''Monster Hunter 4'', which was announced to have a greater emphasis on story with the player character being part of a travelling caravan that has various colorful characters. This didn't stop western players from importing japanese copies and not caring a bit about not being able to read one bit of the text.
* ScrappyMechanic:
** Underwater fighting in ''Tri'' and its {{Updated Rerelease}}s is awkward, especially near the surface of the water where panning the camera above the surface [[CameraScrew horrendously obscures your vision]]. Thankfully, ''4'' has no underwater fighting whatsoever.
** Try playing the PSP games, where movement is assigned to the analog nub and camera control to the D-pad. The same problem comes back in ''3 Ultimate'' on 3DS, unless you've invested in a Circle Pad Pro for the second Circle Pad and two extra shoulder buttons, or you figure out how to control the camera on the touch screen.
** Area boundaries. Players crossing one move to the next area, but monsters ''[[TheComputerIsACheatingBastard don't]]''. This becomes a hassle if the monster decides to stick around out of reach (e.g. due to being exhausted), as it can eat up a few minutes that could be spent whacking the monster to death. You could try ranged weapons, but if you happen to slay the monster while it's beyond the boundary, or break off one of its parts and that part ends up landing beyond the boundary, say goodbye to your carves!
* {{Squick}}: The most common reaction to Khezu and his cousin Gigginox. Even the Japanese title of Gigginox translates to "creepy".
** Conga and it's variants. They basically attack using various forms of {{Fartillery}} and DungFu.
* ThatOneAttack: Almost every monster has at least one, if not more. Some examples:
** Khezu: Roar during rage and either a thunder tackle or thunder ball shot. Roar will incapacitate you unless you defend or have High Earplugs. The main problem with Khezu is that they are unique in having no eyes, so they can't technically see you and thus cannot give you the "spotted" status, and you can only do panic dives (that render you invincible; which regular dodge rolls don't do) in this state. Dodging its attacks at the last second is a no-go as a result.
** Gravios: Roar and heat beam. Same as above. High and G-rank one-up this and give the Gravios' a ''sweeping'' heat beam. ''4'' introduces a pattern of heat beam going vertical ''from its belly'', catching many unfortunate hunters off-guard.
** Plesioth: Hip-check. HUGE range, fast and with an [[HitboxDissonance absurd hit-box]] (as in, no part of the Plesioth can touch you and you will ''still'' get hit). This was fixed in ''3 Ultimate'' though.
** Rathian: [[PoisonousPerson poison tail backflip]]. For the beginner, this attack is ''devastating'' if you are not used to it. It comes out quickly and with little warning, it has high knockback, and poisons you as well. Luckily, if you have the poison-negating Wroggi Armor, or can just dodge well, it's much less threatening. The Pink Rathian's version is even worse, as it can use a hovering maneuver to position itself right next to you, then immediately backflip. Problem is, it's very hard to tell where the attack will come from, making blocking or evading it very difficult.
** Rathalos: High-dive claw attack. Comes almost out of nowhere to the inattentive player and is just as impossibly hard to dodge. Fortunately, a running dive can evade it (you need to see it aiming itself at you first, though, which is the big problem) or you can block it (yes, even with the Sword and Shield!). Failure means you will be poisoned ''and'' likely stunned - on top of the huge damage. There is also a sudden fire attack it will do when it suddenly flaps its wings and shoots a burst of flame at you while jumping backwards. There is absolutely no warning, blocking it is difficult, it can turn left or right (meaning it can still hit you if you're attacking it from the side), and it inflicts Fireblight, which can be just as bad as poison. It also sends you flying, and Rathalos jumps backwards as he uses it, so he can now get a free fireball shot at you.
** The Deviljho's breath attack (Inflicts huge damage and Dragonblight).
** Pearl Espinas: The Firestorm. It essentially flies up and nukes the battle area, spreading unblockable, ''poisonous'' flames around it. Get hit by that, and you have a few seconds before it sends out a shock wave clearing everything around it. And it's the main attack this thing uses. Made worse by the fact that making it flinch during the few second gap where it's preparing to jump is the only way to get a much-needed item from it.
** Nargacuga's Tail Slam. It's basically a close range, spammable OneHitKill that can be frustratingly hard to roll through and has a kinda iffy hitbox (you take full damage even if you touch the dust cloud it raises after the tail touches the ground). Granted, you can see it coming from a mile away (he roars very noticeably before doing it), but not even Evade+2 can bypass it.
** Qurupeco's monster calls. If you don't have dung bombs, this turns a one-on-one fight with a relatively easy monster into a two-on-one with anything from the relatively easy to manage Great Jaggi or Rhenoplos to the crap-your-pants scary Rathalos, Diablos or Deviljho. It can then boost their attack, defense and even heal them with other calls, as well as itself.
** Uragaan's mighty seismic chin can count if you aren't watchful. It will blow up any rocks thrown by its tail swing, meaning that if you didn't pay attention you have a chance of flying through the air right now, and it's actual damage and flinch radius are questionable until you've faced it enough. Note that the flinch radius will force you to put away your weapon, meaning that you have to draw it again and it just ruined any charge you had going. Also the roar, while not annoying, is followed directly by an attack in front, meaning that you need a certain skill or you have no way of avoiding it if you were in front.
** Brachydios's [[InASingleBound leap slam]], especially when enraged. It does a LOT of damage, is difficult to evade, has a wide area of effect when in rage mode, causes Slimeblight, and usually comes out of nowhere as the tell happens only a split second before it goes airborne. And sometimes it skips the tell and jumps without warning. Any of it's new attacks it uses while in Rage Mode can be this. Aside from the above, special mention goes to it's two attacks where it sticks it's horn in the ground. One, where it creates a series of explosions in front of it, does '''huge''' damage and has deceptively large rage, and can't be avoided by leaping away from it. The second one, is where it stays stationary and slams its horn into the ground, making spots on the ground around it light up before exploding. This comes with little warning, the spots are hard to see when your next to it, and if you are in the middle of an attack animation you will most likely not have enough time to position yourself in-between them.
** The Sand Barioth's tornado. Unlike the normal ice cyclone the normal Barioth uses, this one lasts much longer. Also, the Sand Barioth can fly into the tornado and lunge at you in an instant. This is almost guaranteed to catch you off guard, and unless you're on the opposite side of where it lunges, the only safe way to dodge it is a well timed panic dive. And in G Rank, it can also shoot mini-tornadoes that move through the area.
** Normal Barioth, has a questionable hip check as well. Though not nearly as legendary as Plesioth's, you can be on the opposite side of the hip check and still get hit ''and fly in the other direction.''
** Rajang in ''4'' will fire its [[BreathWeapon mouth beam]] with a notable warning (it stands up and aims at the sky first), but now it can aim ''at any direction'' without reducing its range and damage.
* ThatOneBoss: As a series of {{Boss Game}}s, this is quite expected. Some examples:
** The Tigrex line most of the time. Very fast, massive range, massive damage. These all increase in Rage mode. Compared to other bosses leading up to it, Tigrex represents a massive spike in the difficulty. ''Portable 3rd'' has a Black Tigrex which is basically an even faster and stronger version of the original. The Rare Tigrex in ''4'' is basically a Tigrex on steroids: crazily fast when fully enraged, spreading explosive power everywhere (which inflicts Slime status on contact), and being hit by it (enraged or not) is basically a death sentence.
** Another frequent candidate is Rathalos, especially from Tri onward since he spends much more time flying ''just'' out of reach for most bladed weapons. And its dive kick (see ThatOneAttack above).
** Also in ''Unite'', the Nargacuga. A souped-up Tigrex ''who can shoot tail spikes''. Or worse, a Tail Slam that can send you back to the camp in one hit. Green Narga from ''Portable 3rd'' is able to do the Tail Slam TWICE in a row. Its spikes will also paralyze you. And ''3 Ultimat''e has a rare species of Nargacuga, which can turn ''invisible'' during the fight, and its spikes are poisonous ''and'' can shoot them ''anytime'' after it uses its tail for an attack. And as if that wasn't bad enough, it's able to unfurl its tail spikes at will instead of needing to be in rage mode to do so.
** [[DoesThisRemindYouOfAnything Khezu]]. It lulls you into a false sense of security with its slow movements and easily telegraphed attack patterns, but its got a metric fuckton of health, is ridiculously resistant to damage (don't bother trying to attack it unless your weapon's sharpness is in the green), and once you finally ''do'' get its health low, it busts out the most devastating [[TurnsRed enraged mode]] you've seen up to this point, utilizing a new lightning charge attack that can easily OneHitKO you and its attacks become ''much'' more quick and unpredictable. Made so much worse when fighting it near Snowy Mountain's ledges.
** [[TheComputerIsACheatingBastard Plesioth]]. [[HitboxDissonance How exactly can smashing with its RIGHT hip hit the player when he or she is on its left? Or how can it hit the player with its tail when it's ten feet in the air?]] Plesioth has managed to do both of these things and more. Luckily in ''3 Ultimate'' its hitbox issue was somewhat relieved, but it gains underwater combat prowness rivaling Lagiacrus.
** [[CowardlyLion White Monoblos]]. Not the normal one. The White one. Why? He has more health than his cousin, and he runs away every 5 freaking minutes. Also, he hides in the ground every 10 seconds, rendering him invincible unless you carry the maximum number of Sonic Bombs, which is 10. And it's not enough. Best thing? With the best Sharpness you could afford at first, the only part you could attack properly was his tail and his horn... ''[[MadeOfPlasticine both of which snap off after only a few hits.]]''
** Rajang. Has all the elements of speed and unpredictability of a Blangonga, the roar knocks you away, and it fires LIGHTNING BEAMS and THUNDER BALLS (both are actually non-elemental) from the mouth. Once it's enraged, it'll be difficult not to be hit by its attacks or risk One-hit KO. ''Unite'' introduces a type of Rajang that is ALWAYS IN RAGE MODE, and another rage mode upon that (though actually slower). Worse, the best Thunder-element weapons (to deal with Tigrex, for example) can only be made with some Rajang materials. If you're playing MH Frontier then youˇll likely meet [[http://www.youtube.com/watch?v=PN24STb8hEw a Rajang with red aura.]] [[http://www.youtube.com/watch?v=icwb279vbQc Suddenly the normal Rajang (or any other monster) looks tame in comparison.]] insane speed, hitbox and attack power that simply murders the whole party in no time. It's [[HarderThanHard so bad, so hard]] that during a period when an exclusive quest was available to those HR/SR 999 hunters hunting this particular beast (with every quest's data recorded officially), the overall success rate is ''5.8%''. ''Out of 270,000+ tries''.
** The lesser mentioned One-Horned Diablos, aka [[DepartmentOfRedundancyDepartment Devil Diablos]]. It looks like any other Diablos, just slightly bigger and with a broken horn but it's actually a rank above what you're capable of fighting when you can first battle it, which means it hits ''a lot'' harder and has ''[[WhyWontYouDie a lot]]'' more hp and, of course, the game doesn't give you any kind of warning as to what you're in for. You also get the usual items and only a slightly higher reward for defeating it.
** Tri has [[DeathFromAbove Rathalos]] (which has been turned from a nonissue in Unite into a genuine ThatOneBoss thanks to a combination of newfound speed and maneuverability and harder access to weapons fit for fighting him) and [[LightningBruiser Barioth]], who is basically Nargacuga but stronger, and who exchanges the ability to shoot tail spikes for being able to ''[[BlowYouAway spit twisters at you]]''. Twisters that ''[[KillItWithIce freeze you solid]]''. Rathalos and Barioth are especially frustrating because of the low availability of fire and dragon weapons early on. Rathalos goes down rather quickly with an upgraded Rusted Weapon with the Dragon element, which can be mined at a very low chance from the Volcano. Barioth is much easier to deal with with a good fire damage dealing weapon. The catch is that most fire-based weapons require Rathalos parts and upgrading a Rusted Weapon requires Frost Sacs from Barioth.
** Chameleos. Probably the most ''irritating'' enemy in the series simply because it is ''invisible'' for maybe 90% of the time you fight it. Also, just like the Gypceros, it can steal items from you and you can't get them back, and it can do so ''at range'' with its tongue, and you likely won't see it coming since it'll probably be invisible when it does it. It also tends to go back into stealth within 10 seconds of bringing it out of stealth and, all in all, a huge pain in a the ass.
** Try to engage a high-rank Qurupeco. It can summon the Great Jaggi, or the Rathian. It can also summon ''[[NamesToRunAwayFromReallyFast Deviljho]]'', who is just as bad as he sounds. Many a Qurupeco quest has ended because it summoned G.I. Jho.
** In ''3 Ultimate'', there's a unique Deviljho roaming around in G-Rank quests. And it's ''always in rage mode''. Want to run away from that? You HAVE to farm them because they contain a unique type of carve to make good stuff with.
** ''Portable 3rd'' introduces Zinogre, which looks easy in its normal state, until it starts to charge up 3 times. And it goes into Hyper Electrified mode. It is its rage mode which will not stop until you make it fall down, which means it can stay in this form much longer than others' rage mode. In this state its speed and power rockets to crazy levels, has attacks to make you more vulnerable to thunder-element attacks and fainting, and has a ridiculous hitbox for its attacks. And the paralyzing trap you were using all along is useless, as it's immune to that in that state, and at other times the trap WILL help it to charge up. Also, it can go into rage mode, while already in this mode. Which makes it a [[UpToEleven Double Rage Mode]]. ''3 Ultimate'' introduces a subspecies of Zinogre, which can rain down dragon-element thunderbolts while charging up, and is able to launch ''homing'' thunder balls at you. And they're fast.
** A new contender of ThatOneBoss arrives in 3 Ultimate: Brachydios, also known as "the most powerful package monster" ''throughout the series'' among fans and developers alike, which is saying something. It is very fast and agile and its arms are developed enough to throw punches that will leave what amounts to green napalm on you. Unless you rub this slime off by rolling, it will explode after a while or upon being hit by another slime-inducing attack ForMassiveDamage. Brachydios also uses a moveset very different from that of other Brute Wyverns, and [[InASingleBound its leap attacks are notoriously deadly]]. Once it goes berserk the slime on its body turns yellow and detonates ''on impact'', making it one of the most lethal rage modes in the series. Inexperienced hunters are actually advised to just ''[[ScrewThisImOuttaHere run away]]'' from an enraged Brachydios. Of course, beating it will allow you to create new weapons endowed with the Slime status (see GameBreaker).
** The Silver Rathalos and Gold Rathian in Tri Ultimate. Both of these share most of the tricks already mentioned in their species' individual entries above. The catch? [[NighInvulnerable Both are nearly completely covered in nearly impenetrable armour.]] This means that, unless you're using the incredibly rare Fencing skill or have some means of bypassing attack deflections, almost every swing you take will leave you immobile and very, very vulnerable. To make matters worse, both utilize highly effective poison (applied by the Rathian on her backflips and the Rathalos on his claw strikes), which will quickly force you to burn through valuable resources in a hurry, if you survive that long. The base camp has no bed or storage chests, negating the Farcaster healing abuse available in the Alatreon and Dire Miralis fights, meaning that the only means of healing you can have is whatever healing items you can bring with you, unless you or someone in your group has a Hunting Horn with a healing song. Both also have incredibly high health, and will spam fireballs with high damage and a wide explosion radius. [[ArsonMurderAndJaywalking And if you want to try to capture them? Since their arena only has the one area, they can't limp, meaning that without the Perception skill it's nearly impossible to tell when they're on they can be captured without LOTS of trial and error.]] Thankfully, [[BonusBoss unless you want to unlock the Hallowed Jhen Mohran fight]] or want any equipment that requires their drops, they're entirely optional.
** In ''4'', '''any''' monsters infected by the [[TheVirus Frenzy Virus]] becomes one. Yes, even for those monsters which you've been familiar with. And that's before going to the new monsters in ''4''.
** [[GiantSpider Nerscylla]], a [[LightningBruiser horrifying spider]] which spends 90% of the time swinging around, up and down the webs, making players very hard to catch up with its speed, let alone hitting it (especially when it hangs itself upside down). It can also get you poisoned or put you to sleep.
** The first fight against [[spoiler:Gore Magala]] in ''4''. [[spoiler:Unlike most of the fight in the series, you actually have to fight it upon the ship like you fight Jhen/Daren Mohran, despite it's just a wvyern-sized monster (now recall how big the ship deck is)]]; worse, it's actually part of the main plot (introducing the Frenzy Virus) so you have to beat it before moving on. Savvy players may notice those extra warning made by the crew, but few may see that [[spoiler:Gore's indroduction isn't just a cinematic]]. It's no less difficult in subsequent fights either.
* ThatOneLevel:
** Lance Training Rajang for a Sword Saint Piercing.
** Tri Ultimate has "Sticky Situation", the Urgent Quest for Hunter Rank 6. Brachydios is already considered to be ThatOneBoss on its own; however, Sticky Situation throws [[DualBoss TWO]] of them at you at once, and the G-Rank variants of them, no less. While this is already bad enough, the fact that the fight takes place in the Tundra makes it worse as roughly half of the map is inaccessible to either Brachydios, which means that they will be crossing paths frequently, even if you chase them off with Dung Bombs. This is particularly frustrating because Brachydios are highly dependent on SplashDamage, ensuring that any crossfire between the two ensures that you'll be treading through a minefield, especially if one (or both) become enraged. And to put the cherry on it, one of the Brachydios is bigger than usual, which means that it's even harder to evade the nearly ceaseless barrage of attacks. And [[SocializationBonus unless you can find a group who has already surpassed it and can help you grind higher rank G-Rank quests,]] it's not like the gear you'll have the first time you'll do this quest will be all that strong for this, either.
** The "Siren's Song" quest, also from ''3 Ultimate'', is the last 6-star Moga quest, and one of the most annoying. You have to [[TimeLimitBoss defeat at least two Qurupecos within the 50-minute time limit]], AND the Qurupecos in this quest can summon the Deviljho if given the opportunity, forcing you to waste time trying to separate the Deviljho so you can fight safely. The first time you encounter this quest, it's possible to run out of time because your equipment will likely give you only just enough power to capture two Qurupecos.
** It's finally in ''4'' where a quest requires you to hunt a Deviljo ''and'' a Rajang at the same time. Have fun.
* UnfortunateImplications: The black furred felynes are the only ones who are outright hostile and attempt to steal your stuff all the time, while the white furred felynes are pretty nice until someone smacks one. However, there's also friendly "black furred Felyne"/Melynx in villages and cities.\\
By the same logic, you could said that all light colored felynes are ready to snap and blow themselves along with you at the slightest provocation, even if you're not the ones who provoked them in the first place.
%%* {{Waggle}}: One of the more heavily criticized changes in ''Tri'', despite the inclusion of a more conventional control scheme.
* {{Woolseyism}}: The subspecies of a monster in the Japanese versions [[BeigeProse usually just adds "subspecies"]] (亜種) to its name, but the localizations make their names more descriptive to add flavor. For instance, "Lagiacrus subspecies" (ラギアクルス亜種) thus becomes Ivory Lagiacrus due to its distinct white scales.