History YMMV / RagnarokOnline

* FirstInstallmentWins: There's a ''Ragnarok Online 2'', believe it or not.

** Rune Knight's sprite. Some people prefer the [[https://www.shining-moon.com/w/images/3/31/DressRK2.png original sprite]] over the [[https://www.shining-moon.com/w/images/3/3e/DressRK1.png newer sprite]], due to the original sprite actually having shiny objects resembling rune stones on the armor, and declared the newer sprite as "bland" due to lacking those rune stones despite being "Rune Knight".

*** Celia is even WORSE than Kathryne. The first thing she does as soon as she spots you is immediately cast Dispel, removing all of your buffs. She'll also spam Soul Burn and Mind Breaker to wipe out your SP pool and make you much more susceptible to her spells, and can also use Spider Web to trap you in place, leaving you at the mercy of the other ghosts eager to kill you.

* ThatOneSidequest: [[http://irowiki.org/wiki/Veins_Siblings_Quest Veins Siblings quests]]. Good luck [[spoiler:gathering the poos]] and going to [[ThatOneLevel Thor's Volcano]] three times.

** To be fair, Japanese and Korean fandom have nothing against the adoption and the latter seems to love it. The only one who seems to be make this a BrokenBase are the, no surprise, Western fandom mainly Tumblr and Twitter. It's self-explanatory at this point.

** Eremes, Cecil, Kathryne, Celia, Chen, Flamel and Gertie of the Biolabs Ghosts.
*** ESPECIALLY Kathryne, who sports several powerful spells that can oneshot even the tankiest characters, and happens to be Ghost element to nullify regular physical attacks to the annoyance of nearly everyone. That being said, if you're lucky enough to get your hands on one, the Golden Thief Bug card (nullifies ALL magic) turns her into an utter joke.

* AdaptationDisplacemet: The game is far more famous than the [[Manhwa/{{Ragnarok}}]] it's based on.

** Terra Gloria quest also ends with you receiving items that do nothing other than to be delivered to several other [=NPCs=]. When you deliver these items, you get more sad story about the Biolab characters, and the person closest to them.

** The Amdarais mentioned above. In the Old Glast Heim instance dungeon story, it was created by a villain, through mutating a Knight loyal to his superior, right in front of said superior, just to taunt both him and his superior. We have no choice but to mercy kill the poor guy.

** One of the [[http://db.irowiki.org/db/monster-info/1920/ Incarnations of Morroc]] is a crab-walking, eyeless, bloody woman whose arms seem to be on backwards. Discuss.

** The Blacksmith job in the DS version. They have a skill that increases their item capacity from 20 to ''99,'' Mammonite does an absurd amount of damage even early on at the cost of some zeny, and later on, their ultimate skill, Magnitude, deals obscene amounts of damage in a large area.

** One quest in Mora has you search for a Euridi's fiance named Lope. Once you gather the clues together, it's revealed that he was badly poisoned on a expedition inside the Hazy Forest, leaving his engagement ring with a traumatized survivor. Once you search for him, the poison has terribly corrupted and mutated him into a monster, and in his last moments of lucidity, begs you to tell Euridi that he is dead so that [[BreakHerHeartToSaveHer she won't have to look for him anymore.]] Euridi does ''not'' take the news well and breaks down in tears, and that's where the quest ends.

** Ghost Palace instance dungeon revealed how terrible Sakray's past was that made him as broken as he is in the manhwa.

** Howard Alt-Eisen - AmbiguouslyGay to Eremes (or Seyren, [[FanPreferredCouple depends on your shipping preference]]). Or, SmallNameBigEgo BiTheWay with some little sister issues (the 'little sister' is usually played by [[NotBloodSiblings Armeyer Dinze]], another Biolabs ghost). If he's straight, he's usually have SlapSlapKiss relationship with Cecil.

** [[https://static.idrowiki.org/image/ror/monster/2475/MG_CORRUPTION_ROOT Root of Corruption]] and [[https://static.idrowiki.org/image/ror/monster/2476/MG_AMDARAIS Amdarais.]]

** Eremes Guile, Cecil Damon, Chen, Flamel and Gertie of the Biolabs Ghosts.

* GoddamnedBats: A lot of the ranged enemies fall under this. Some even skip past this and become DemonicSpiders.

** Worse still, the MVP monster Dracula will summon tons of bats as its minions. When other MVP's only summon a (usually) manageable number of minions, Dracula will summon ''sixteen''. And if you kill all of them (which is ''VERY'' easy), he'll just instantly summon another batch.
** Of the DemonicSpiders variety, there's Luciola Vespa, pre-Renewal, before Job 3 is a thing. Luciola Vespa's AI is unique in that it will always ignore those whose level are 5 levels below Vespa's own level of 104, which means it ignore only level 99 characters, the maximum player character level at that time. Anything below 99, it will aggressively chase. Which means only weaker characters will get chased by this ''huge wasp with high attack power AND attack speed''. How high was the attack power? It's in the range of '''''9000-9900'''''. Enough power to kill ''even a lv99 Job 2 Transcendent character'' in at most two hits. Renewal slightly increased its level to 109 but severely reduce its attack power to roughly only 1/10 of its pre-Renewal power, making it easier to deal with, even though its AI behavior remains.

** [[http://db.irowiki.org/image/monster/2476.png Amdarais.]]
* TearJerker:

** Of the DemonicSpiders variety, there's Luciola Vespa, pre-Renewal, before Job 3 is a thing. Luciola Vespa's AI is unique in that it will always ignore those whose level are 5 levels below Vespa's own level of 104, which means it ignore level 99 characters. Anything below 99, it will aggressively chase. Which means only weaker characters will get chased by this ''huge wasp with high attack power AND attack speed''. Renewal slightly increased its level to 109 but severely reduce its attack power to roughly only 1/10 of its pre-Renewal power, making it easier to deal with, even though its AI behavior remains.

** Shai. Being an Assassin Cross who is [[SupremeChef skilled on cooking]] and [[RealMenWearPink wearing an apron]] do help his popularity.

** Du Lian and Mark Esha
** Kidd and Shay is pretty popular in Japan

** MOSCOVIA CARDS WHEN, or anything similar (originated from the lack of cards for Moscovia monsters, which for some reason took MANY years to be implemented, to the point where even newer areas actually got their cards ''before'' Moscovia).

*** More of Fridge Horror, but keep in mind that 1st job ghosts are implied to be teenagers at best. With that in mind, think about this Rekenber was willing to kidnap young teens just to use them as test sujects. Let's not talk about the... possible experiments they were subjected to before dying.

** Terra Gloria quest also ends with you receiving items that do nothing other than to be delivered to several other NPCs. When you deliver these items, you get more sad story about the Biolab characters, and the person closest to them.

* MostAnnoyingSound:
** The sounds Muka make in the game get on your nerves fairly quickly.
** Baby Desert Wolves, no matter how cute, become ''incredibly'' annoying with their incessant yelping.
** Muscipular always have a crunching, cracking sound around them. Constantly.

** An unimplemented performance skill 'Ragnarok', for use by a Bard and Dancer in combination, was locked away after initial testing when it proved to not only be a gamebreaker but a terrible means of harassing other players. Once active, it paralyzed its casters and for its duration and repeatedly cast random, maximum class/level spells over and over on the surrounding area with no distinction between friend or foe. The skill is still locked away, as the developers ''still'' haven't found a way to balance it without rendering it redundant.

** Also, Biolabs. This one may be a bit subtle...however, the more time you spend there, the more you begin to think about the...things that supposedly happened there, the creepier it gets. [[ExactlyWhatItSaysOnTheTin Biochemical laboratory]] with ghost-like shadowy figures walking around and attacking everything. Naturally [[FromBadToWorse it gets worse]]: All of them are high-(level)class character-avatars (It's even possible to create lookalike characters)with a back-story, all of them being described as good people, especially the priestess who was willing to sacrifice her own life for her team.
*** [[FromBadToWorse It's much worse]] if you do the quest(s) related to Biolabs. First, you're required to have a pair of handcuffs with you at all times while doing this quest, which causes you to think, what's a monster like that doing with handcuffs anyway. Then, at one part of the quest, you come inside a room with a caged Peco Peco...who can barely talk. Aside from that, you'll eventually learn that people from the slums of Lighthalzen have been slowly disappearing after they supposedly got a job from Rekenber, the owner of the Biolabs. Put them all together and you can suspect that everyone in the Biolabs [[FridgeHorror are the results of an illegal human experimentation]].

** Renewal pushed everyone to insanely high levels (around 120-150 for normals, and '''160''' for [=MVPs=]) with low amounts of EXP per kill. Although 2nd floor’s changes are acceptable, the 3rd floor’s changes received major backlash. Never mind that most people who complained about it were people who were spoiled by other dungeons’ easiness.
* TheyWastedAPerfectlyGoodPlot: The Byalan Island Dungeon includes the ruins of an underwater kingdom on it's 4th and final floor. It's never really explained about it, there's no mythology to explain it, or quest to explore it, it's just there and the very description is just given as "mysterious underwater kingdom". Some felt like there was a story to explore there that never was.

** [[http://knowyourmeme.com/memes/huahuehuahue BR? BR? HUAHUEHUAHUE GIBE MONI PLOS OR I REPORT YU

** Also, Biolabs. This one may be a bit subtle...however, the more time you spend there, the more you begin to think about the...things that supposedly happened there, the creepier it gets. [[ExactlyWhatItSaysOnTheTin Biochemical laboratory]] with ghost-like shadowy figures walking around and attacking everything. Naturally [[FromBadToWorse It gets worse]]: All of them are high-(level)class character-avatars (It's even possible to create lookalike characters)with a back-story, all of them being described as good people, especially the priestess who was willing to sacrifice her own life for her team.

*** Speaking of Biolabs, Margaretha Sorin may be the biggest proof of what's going on on Lighthalzen; if you did the Redemptio quest (a skill quest from the Priest class) a NPC tells you that she was send away to Lighthalzen to investigate something (though the jRO lore states that she was sent as a missionary) and then, she went missing, and apparently she has been missing for years. The MVP High Priestess could be her (the original Margaretha), but the real question is; if the MVPs are supposed to be the original ones, then where did the clones came from? The multiple theories can be quite disturbing.

** [[https://www.youtube.com/watch?v=2MkoKWW2UyY Rag All Night Long]], great for dungeon party grinding at night.
* BrokenBase: '''The Biolabs webtoon.''' Though arguably it's just based off of the lore loosely, you either will think it's a canon-breaking mess, enjoy it for seeing beloved characters with a voice or you just don't care, the latter which seems to be the posture most people have adopted. Particulary, Seyren seems to have been a massive point of debate, and Kathryne to a lesser extent.