History ThatOneAttack / Cuphead

* Although Goopy Le Grande is considered one of the easier bosses, his second phase is when things get difficult. After getting bigger, Goopy bounces much faster than he did in the first phase. He also has the ability to actually ''punch'' you with his boxing glove. There are very few safe spaces and extra good reflexes will be needed for this phase.

* The Howling Aces are generally seen as one of the easier DLC bosses, but the entire third phase can be considered this to some thanks to the [[InterfaceScrew screen rotating 90 degrees anticlockwise]] ''every time'' the airship opens or closes its mouth, making the attack with the dog bowls (when the mouth is open) harder to dodge than it looks thanks to you being sideways, and the lasers (when the mouth is closed) problematic when you're upside down. Fortunately, [[spoiler:it's possible to get an easier third phase that lacks this interface screw if you [[MercyRewarded spare the second phase's pups]] by getting all their health low without defeating any of them]].

* The Howling Aces are generally considered one of the easier DLC bosses, but the entire third phase can be considered this to some thanks to the [[InterfaceScrew screen rotating 90 degrees anticlockwise]] ''every time'' the airship opens or closes its mouth, making the attack with the dog bowls (when the mouth is open) harder to dodge than it looks thanks to you being sideways, and the lasers (when the mouth is closed) problematic when you're upside down. Fortunately, [[spoiler:it's possible to get an easier third phase that lacks this interface screw if you [[MercyRewarded spare the second phase's pups]] by getting all their health low without defeating any of them]].

* Most of the Devil's attacks are fairly easy to predict and dodge after a go-through or two... except for the [[PlayingWithFire fire spell]]. When his eyes light up and that trident starts spinning, only the RandomNumberGod knows which of the three fireball patterns he'll be tormenting you with, and ''all'' of them are insanely fast and screen-crowding.

** The yellow fireball bouncing around during his first two phases is also despised for how badly it complicates his fight. It's a PainfullySlowProjectile that homes in on you, and travels in a sweeping arc. While it shouldn't be too hard to dodge in theory, it makes it way harder to avoid the [[spoiler:limes]], [[spoiler:animal crackers]] and [[spoiler:pineapple leaves]] since you're often put into a position where you can dodge one but not the other. Plus, it's simply easy to lose track of it in the chaos of [[spoiler:Saltbaker]]'s insanely hectic fight. Expert mode ups the ante by adding ''another'' one into the first two phases.

* Djimmi the Great can start his battle with one of three attacks he'll use until the phase is over, and one of these is an order of magnitude worse than the other two: The cats. Cat sarcophagi, to be specific, that split open and send out several more homing cat projectiles, while the sarcophagus halves remain harmful, resulting in a screen full of pain in a matter of seconds. People are known to keep restarting the fight until he pulls a different trick, as the flying swords and even [[MoreDakka the jewelry toss]] are much less likely to result in a terrible start.

** Out of all his attacks in his first phase, easily his most infamous is the [[spoiler:Desert Lime boomerangs]]. Not only do they swarm the screen just as much as everything else he throws out, but each one of them will change directions and height once they hit the end of the screen to try and go for another hit. Already annoying to deal with on their own, but combined with everything else he throws onscreen, they can easily lead to a good amount of deaths. The good news is that they have a somewhat predictable pattern, always coming in low and going out high, or vice-versa.

** The yellow fireball bouncing around during his first two phases is also despised for how badly it complicates his fight. It's a PainfullySlowProjectile that homes in on you, and travels in a sweeping arc. While it shouldn't be too hard to dodge in theory, it makes it way harder to avoid the [[spoiler:limes]], [[spoiler:animal crackers]] and [[spoiler:pineapple leaves]] since you're often put into a position where you can dodge one but not the other. Plus, it's simply easy to lose track of it in the chaos of [[spoiler:Saltbaker]]'s insanely hectic fight.

* Dr. Kahl's gems of death during his final phase, which bring true BulletHell into the game in a segment where electric barriers are already closing you in, not to mention they ''never stop coming'' until you win or die, are probably responsible for more deaths than any other attack in the game. [[GameOverMan "Got the perfect equation to hinder yer evasion"]] indeed. Luckily, they've been nerfed, with actual parriable pink projectiles being shot out along with the usual death-inducers, so the load is at least lightened.
* King Dice's first initial attack may catch some players off guard, since he's the only boss who doesn't wait until the fight introduction is finished before attacking and his hand is likely to slap you down. The rest of them aren't quite as bad, but there's some minor HitboxDissonance with his marching cards due to their boxy shape and deceiving size, and thus parrying them properly can be quite erratic until you get used to it.

** The yellow fireball bouncing around during his first phase is also despised for how badly it complicates his fight. It's a PainfullySlowProjectile that homes in on you, and travels in a sweeping arc. While it shouldn't be too hard to dodge in theory, it makes it way harder to avoid his [[spoiler:limes]] and [[spoiler:animal crackers]] since you're often put into a position where you can dodge one but not the other. Plus, it's simply easy to lose track of it in the chaos of [[spoiler:Saltbaker]]'s insanely hectic fight.

* Djimmi the Great can start his battle with one of three attacks he'll use until the phase is over, and one of these is an order of magnitude worse than the other two: The cats. Cat sarcophagi, to be specific, that split open and send out several more homing cat projectiles, while the sarcophagus halves remain harmful, resulting in a screen full of pain in a matter of seconds. People are known to keep restarting the fight until he pulls a different trick, as the flying swords and even [[MoreDakka the jewelry toss]] are much less likely to result in a terrible start.

* Rumor Honeybottoms' triangle attack during the second stage of the fight. The triangle itself deals damage and Rumor likes to summon it right on top of you or above you, which becomes problematic when you need to move up due to the [[RiseToTheChallenge nature of the fight]]. Even if you can move out of the way, it still moves in your direction and fires three rounds of tiny triangles from its three tips, of which the first is fired almost immediately. Every attack sequence that involves these always has you deal with two of them summoned after each other as well. This attack is the #1 reason to bring the Parry Sugar to her fight, as it's one of the few truly reliable ways to shut it down (everything involved in the attack is pink).
* Cala Maria:
** Her GhostPirate summon. Their homing attack is very quick, and they are rarely the only thing on the screen. If she uses it while her pufferfishes are active, dodging it is particularly difficult.
** Her stare that turns you to stone. Better hope a projectile or cave obstacle isn't heading towards you when you get hit by it.[[note]]Funnily enough, in the second phase, the best counter is to get as ''close'' to her as possible. The beam fires a good distance from her face, leaving just enough of a blind-spot for you to swoop in and pelt her with bullets and bombs... until [[FlunkyBoss the electric eels show up, anyways]].[[/note]]

* Sally's Big Wave attack in her third phase, due to being impossible to avoid if you miss the parry star, bounce off of it too early, or don't equip the Smoke Bomb charm (which lets you dash through enemies without taking damage).

* Of all of [[spoiler:Chef Saltbaker's]] attacks in his first phase, easily his most infamous is the [[spoiler:Desert Lime boomerangs]]. Not only do they swarm the screen just as much as everything else he throws out, but each one of them will change directions and height once they hit the end of the screen to try and go for another hit. Already annoying to deal with on their own, but combined with everything else he throws onscreen, they can easily lead to a good amount of deaths. The good news is that they have a somewhat predictable pattern, always coming in low and going out high, or vice-versa.

* Dr. Kahl's gems of death, which bring true BulletHell into the game in a segment where electric barriers are already closing you in, not to mention they ''never stop coming'' until you win or die, are probably responsible for more deaths than any other attack in the game. [[GameOverMan "Got the perfect equation to hinder yer evasion"]] indeed. Luckily, they've been nerfed, with actual parriable pink projectiles being shot out along with the usual death-inducers, so the load is at least lightened.

* The Howling Aces are generally considered one of the easier DLC bosses, but the entire third phase can be considered this to some thanks to the [[InterfaceScrew screen rotating 90 degrees anticlockwise]] ''every time'' the airship opens or closes its mouth, making the attack with the red and yellow dog bowls (when the mouth is open) harder to dodge than it looks thanks to you being sideways, and the lasers (when the mouth is closed) problematic when you're upside down. Fortunately, [[spoiler:it's possible to get an easier third phase that lacks this interface screw if you [[MercyRewarded spare the second phase's pups]] by getting all their health low without defeating any of them]].

* The Howling Aces are generally considered one of the easier ''DLC'' bosses, but the entire third phase can be considered this to some thanks to the [[InterfaceScrew screen rotating 90 degrees anticlockwise]] ''every time'' the airship opens or closes its mouth, making the attack with the red and yellow dog bowls (when the mouth is open) harder to dodge than it looks thanks to you being sideways, and the lasers (when the mouth is closed) problematic when you're upside down. Fortunately, [[spoiler:it's possible to get an easier third phase that lacks this interface screw if you [[MercyRewarded spare the second phase's pups]] by getting all their health low without defeating any of them]].

* The Moonshine Mob have a very devious surprise near the end of their fight. [[spoiler:They [[VictoryFakeOut fake out]] after the third phase, tricking the player into believing they had won the fight, only to reveal that the Snail Boss is also a fighter and begins shoots the player.]] Not too bad, but considering many players have already experienced the trap first-hand and usually die because they only have one health point the first time around, it's a very mean trick to say the least. Granted, this attack only works once to the unsuspecting player, and it's relatively easy to deal with once the player is prepared.

* The Moonshine Mob have a very devious surprise in the end. They [[VictoryFakeOut fake out]] in the end, tricking the player into believing they had won the fight, only to discover the Snail Boss is also a fighter and begins shoots the player. Not too bad, but considering many players have already experienced the trap first hand and die because they only have one heart the first time around, it's a very mean trick to say the least. Granted, this attack only works once to the unsuspecting player, and it's relatively easy to deal with once the player is prepared.

* Among Baroness Von Bon-Bon's many minions, probably her deadliest is the innocuous little jellybean soldier that sprints out from the gate at random intervals from the second phase onward. It's so tiny and moves so quickly along the ground that you're almost guaranteed to overlook it and get hit by it the first time, and probably at least a few more times afterward because it's so hard to notice when all hell's already breaking loose around you.

* Of all of [[spoiler:Chef Saltbaker's]] attacks in his first phase, easily his most infamous is the [[spoiler:Desert Lime boomerangs]]. Not only do they swarm the screen just as much as everything else he throws out, but each one of them will change directions and height once they hit the end of the screen to try and go for another hit. Already annoying to deal with on their own, but combined with everything else he throws onscreen, they can easily lead to a good amount of deaths. The good news is that they have a somewhat predictable pattern, always coming in low and going out high, or vice versa.

* Of all of [[spoiler:Chef Saltbaker's]] attacks in his first phase, easily his most infamous is the [[spoiler:Desert Lime boomerangs]]. Not only do they swarm the screen just as much as everything else he throws out, but each one of them will change directions and height once they hit the end of the screen to try and go for another hit. Already annoying to deal with on their own, but combined with everything else he throws onscreen, they can easily lead to a good amount of deaths.

* Of all of [[spoiler:Chef Saltbaker's]] attacks in his first phase, easily his most infamous is the [[spoiler:Desert Lime boomerangs]]. Not only do they swarm the screen just as much as everything else he throws out, but each one of them will change directions and height once they hit the end of the screen to try and go for another hit. Already annoying to deal with on their own, but combined with everything else he throws onscreen they can easily lead to a good amount of deaths.