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LitRPG - TV Tropes

  • ️Sat Oct 02 2021

Short for "Literary Role-Playing Game", LitRPG (or alternatively GameLit) is a literary genre about characters playing within a role-playing game or virtual reality environment.

LitRPGs are often set in a fictional video game, and commonly feature advanced VR technology or outright Brain Uploading, though sometimes the existence of the game mechanics remain completely unexplained when overlapping with the RPG Mechanics 'Verse trope. Though unlike full examples of the aforementioned trope, a LitRPG's use of gaming mechanics and attributes sets it apart from traditional game novelizations, which are simply story adaptations without the mechanics; blending traditional narration with RPG Elements by describing quests and Sidequests, an Achievement System, Hit Points, and other events typical of video games or tabletop RPGs, with the story and plot usually abiding by the game's rules set forth.

While the main protagonists — who are typically human males — of these stories are aware of the game's nature (regardless of being able to log out or not), this trope is in effect for NPC characters controlled by AI. The story also keeps track of the characters' stats and progression — often through character sheets for the readers, not unlike those shown to players during gameplay — as they gain experience and level up. The important part is describing for readers the experience of playing that game and its associated mechanics, as if the reader could play it themselves. Expect to see mention of Gaming Stat Tropes and explicit Min-Maxing.

LitRPGs tend to fall into several broad categories that can, and sometimes will, overlap with each other:

  • The Virtual Reality LitRPG: The character is inside an actual game. Being trapped in the game is common, as are uses of Brain Uploading, but not actually required. Made popular by Sword Art Online. These stories also tend to have some form of Plot Parallel between events in-game and those in the "real world", though it varies on how significantly the latter events tie into the former.
  • The Gamer LitRPG: Based on The Gamer, a character suddenly gains RPG abilities, with them typically being the only person with such abilities. Quite common in fanfic, since it can easily be applied to any world or character. This is also common in isekai LitRPGs, as a character is Trapped in Another World and their New Life in Another World Bonus is a set of unique RPG abilities.
  • The RPGVerse is a world that simply works on RPG mechanics. The residents may possibly be aware of it, but they don't always know why (though its usually explained In-Universe as being devised by god(s)). This one often turns out to be the Virtual Reality setup, with the eventual reveal that they are either NPCs, players who have forgotten that they're logged into a game, or are digital echoes of the original players.
  • The System Apocalypse LitRPG: A sudden apocalypse kills a majority of the world's population, but the survivors gain access to "the System" (names vary), which means RPG abilities. The nature of the apocalypse varies drastically; sometimes it might not even be related to the emergence of the System.
  • The Harem LitRPG follows the format of a harem game. Typically, the main character is a human male who finds himself inexplicably surrounded by and/or enticing to insanely-gorgeous females. They are, by some accounts, occasionally well written with both hands.
  • Dice Fiction is a subgenre (more tied to tabletop RPGs) where the author uses RNG (usually by rolling dice, but can also flip a coin(s) or use some other form of RNG) to influence the outcome of events while writing the story. The characters don't know their world runs on RPG mechanics, instead their stats or stat sheets are maintained by the author as out-of-universe side notes and updated via in-text parentheticals. The end result reads like something between a fanfiction and a single-player TTRPG campaign. Many works in this category use Haara Brightwater's formatting style, thanks to her stories inventing the format and coining the term.

Expect to see lots of Cyberspace and Trapped in Another World tropes at play here. Consider brushing up on Video Game Culture and Role-Playing Game Terms.

See also A Dungeon Is You, Campaign Comic, Deep-Immersion Gaming, Role-Playing Game 'Verse, RPG Episode, and RPG Mechanics 'Verse.

Not to Be Confused with a role-playing game that's lit, fam.


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Fan Works 

  • Fallout: Equestria generally operates on real-world logic (magic and the like notwithstanding), with game elements such as the main character's Heads-Up Display being a Diegetic Interface, courtesy of her Magitek PipBuck. It's played straighter with the footnotes at the end of each chapter showing her level up and/or acquire a new perk, but it's mostly to add a little flavor to any skills she learns or sharpens during the story.
  • Harry Potter and the GUI: Harry wakes on his twelfth birthday with status markers over his relatives' heads. His new gamer powers prove to be very helpful, but they're hiding dark secrets...
  • Harry Potter and the Natural 20 is a Harry Potter and Dungeons & Dragons Crossover that has a character from the later universe being transported to the former and teaming up with the Trio. A plotpoint is how Milo's Wrong Context Magic works completely different from everyone else's.
  • I Woke Up As a Dungeon, Now What? is a Worm Sequel Series that sees Taylor reincarnated as a sentient dungeon in an alternate fantasy world that acts as a RPG Mechanics 'Verse.
  • The Naked Jedi is inspired by Vow of Nudity, and uses the Star Wars: Roleplaying Game system to chronicle the adventures of Nue Jedi Knight Sarza Zarazell, a Zeltron.
  • Ravenloft: Outlander Chronicles features Wyatt Nelson, an ordinary person from Earth (or an Earth that doesn't have DnD) surrounded by the Mists and transported to Ravenloft.
  • Vow of Nudity gives its protagonist a character sheet, and the series uses dice rolls and D&D mechanics to see whether she succeeds or fails at whatever she attempts. The character herself isn't aware of this facet of her existence, with the LitRPG elements only happening in italic sidenotes. After this series became popular, it led to a fair amount of imitators — stories that use the same LitRPG format, some of which are even set in the same universe and listed on its Trivia page — and created the Dice Fiction genre as a result.
    • Call of Nudity is one of these, and eventually grew long enough to get its own page.

Literature 

  • Adventurers' Guild Craftsman: Everyone in the world has a class and skills which can be viewed by introspection and fueled by various resources such as mana, qi and stamina.
  • After The End Serenity: 'Order's Voice' is effectively a powerful AI that can manipulate how magic interacts with individuals, granting them a 'system' with LitRPG aspects. The system's introduction to Earth in this story is similar to "System Apocalypse" stories, but without a default apocalypse.
  • All The Skills - A Deckbuilding LitRPG: Arthur can gain experience and level up skills due to the legendary Master of Skills card that he has been lucky enough to pick up. Other cards can give other RPG-style powers, such as one that gives its owner quests and rewards them with magical items on completion.
  • Allworld Online is about a laid-off teacher named Olivia who gets offered a paid job as a beta tester for a Jane Austen inspired world created within the VR universe. Then a glitch causes players to start disappearing and Olivia is unable to log-out, leading her to investigate the mystery behind what's happened.
  • In the world of Arifureta: From Commonplace to World's Strongest; Ordinary High Schoolstudent Hajime and his class of Jerkass classmates are transported to have character classes and Levels along with stats. The title refers to him going from the one the worst stats and having the "useless" class of Synergest to a cynical One-Man Army after being left for dead by the bullies of his class. Specifically his Synergist's transmutation ability and 21st centruy knowledge allows him to create a number of weapons and equipment that gives even more of an advantage such as firearms and magic-powered vehicles like a motorcycle and a Hummer.
  • Awaken Online: A scholarship student named Jason is unfairly expelled by the Sadist Teachers at his school of rich Jerkass students on the day the game is launched. Having reached his Rage Breaking Point, he ends up taking up the role of a Villain Protagonist Necromancer ruler of a city of undead. The real world plot involves the game's A.I. Controller named Alfred accessing the players' memories to customize the quests in order to help get over real-life issues to remove obstacles preventing from playing the game more. Then the first book ends with Alfred contacting Jason directly to ask for a favor...
  • The Bee Dungeon: Belissar is a peasant, not one of the Tower Lords — but a Tower of the Gods has chosen him anyway. He has no idea what he's doing, but it's a chance to raise his beloved bees, so that's what he'll do.
  • Blue Core: "Blue" is the name eventually given to the unnamed amnesiac individual who finds himself reincarnated as a dungeon. Unlike most In-Universe and typical of this genre, he opts to empower individuals rather than monsters to act as his agents while investigating the Depletion which is eroding the world's magic.
  • Bofuri: I Don't Want to Get Hurt, so I'll Max Out My Defense. is what happens when someone with no knowledge of video gaming accidentally Min-Maxing her avatar, literally dumping every stat point into Defense. Within only a few weeks, Maple effectively becomes a Hopeless Boss Fight who repeatedly unlocks new, insane forms to transform into. Later her best friend Sally does something similar with her Agility, essentially gaining Super-Speed while they recruit into their guild, among others, a pair of twins who did the same with Strength.
  • Bog Standard Isekai: A car crash victim's soul is intercepted by a goddess and given a second chance, in the body of a young boy. Who is all alone in a swamp full of undead armies and monsters.
  • Book of the Dead (2021): A young man receives his primary Class — but instead of becoming a Wizard as he had hoped, he receives the highly illegal Necromancer class. Rather than burning out a part of his soul and giving up on his future, he decides to keep the class and go on the run, hoping that by doing enough good, he'll someday be accepted. The rest of the world isn't so optimistic.
  • Bushido Online follows the story of a MMA fighter who is rendered blind when an opponent uses an illegal move on him. His friend and manager gets him into a program that tests the titular game on individuals like him who can see inside the game. Despite never playing video games before, he does alright for himself except for the part where the gets himself in the middle of a war between rival clans...
  • Chaos Seeds, also known as The Land series follows a man who is transported to "The Land", the game world of his favorite MMORPG. Renaming himself "Richter", he forges a kingdom for himself to survive while learning of his nature as a Chaos Seed which gives incredible but dangerous powers. Like potentially causing The End of the World as We Know It kind of dangerous...
  • Chaotic Craftsman Worships The Cube: Dozens of individuals are summoned upon death to a new world, being granted blessed skills to help fight an inevitable demon invasion. The protagonist, Ben, is left behind due to not being given any combat-applicable skills, and so is left to make his own way in the world using his blessed skills in enchanting and blacksmithing away from the frontline. At least, that was the plan, if Ben hadn't been Born Unlucky, much to the distress of his new god, the cube Myriad.
  • Chrysalis (RinoZ) follows the typical "protagonist dies and reincarnates into a fantasy world that runs on 'The System' that they can exploit." Only in this case it's at the bottom of the food chain in an ant colony. Yes, really.
  • The City and the Dungeon
  • Common Clay: Clay Evergreen receives his [Class], but instead of an adventurer, the gods make him a simple [Commoner]. With the world beset by monsters, he determines that he's going to be a hero anyway.
  • Core of Fear
  • Deadworld Isekai
  • A Dearth of Choice: A human is reincarnated as a Dungeon Core with muddled memories in another world, and seeks to become friends with the local village in order to not die. A task that's more difficult than it sounds in a world where Dungeons are widely regarded as deathtraps, especially when the protagonist builds up Death Mana affinity and necromancy abilities at an alarming rate...
  • Defiance Of The Fall
  • Demon World Boba Shop: After an early death from overwork, Arthur is reincarnated in a nice world, where he has to find his feet amongst a different but welcoming community.
  • D Genesis: Three Years after the Dungeons Appeared: Three years after dungeons first appeared on Earth, and long after humanity began treating them as part of their normal lives, office worker Keigo Yoshimura suddenly obtains a Skill Orb that lets him view and adjust his abilities as though he were in an RPG. This, with the help of his coworker Asuza, will let him quit his awful job and hopefully live a bit more easily... right?
  • The Discarded, Half-Eaten Apple Core New Life: The world is invaded by demons, the protagonist promptly dies, but before the demons can devour his soul, they're interrupted and the soul gets accidentally attached to an apple. Seventy years later, the System comes across his partly rotten form and decides he must be a Dungeon Core of Apple Electronics...
  • The Divine Dungeon
  • Djinn Tamer
  • Doomed Dungeon
  • The Dungeon Calls For A Sage
  • Dungeon Core Chat Room: We follow a newly born Dungeon Core (later naming itself 'Innearth') as it grows its dungeon, achieving goals given to it by the System, which gives out quests and rewards to dungeons, as well as virtually every other form of sentient life in their world. The name comes from a "chat room" that's shared between the Cores, allowing them to converse and trade information or materials, with certain functions being unlocked as the Cores advance in "tiers".
  • Dungeon Crawler Carl is an anti-capitalist exploration of a universe where the powerful beings of the galaxy regularly harvest worlds by killing 99.999% of the inhabitants and forcing the survivors into a gameshow where 99.999% of them will die while the galaxy cheers.
  • Dungeon Heart
  • Dungeon of Undeath takes place in a world where people have classes, skills and affinities which grow and change as the story progresses.
  • Eden's Gate by Edward Brody follows a man named Gunnar Long who joins on a one-way trip into the fully immersive MMORPG of the titular Eden's Gate, trading his mundane everyday life for a new one full of fantasy and adventure. While dealing with the in-game threats, Gunnar must also deal with a threat on the outside from the government who want to shut the game done as more and more people clammer to join.
  • Everybody Loves Large Chests
  • Factory of the Gods
  • Falling With Folded Wings: The System uses a level-based system where people gain a class at level 10, then further refinements every ten levels after that. Towns can also level in their own way, based around a central citystone. Unlike most LitRPGs, the series provides an explanation for why a nigh-omnipotent entity like the System would bother to provide energy and instruction to mortals: It's a parasite, helping them grow so that they can feed it more energy. There's a reason many quests involve turning things into the citystone.
  • The Greystone Chronicles follows Alexander Greystone and his friends as they test new VR technology his father has developed for the game Io Online which has reached Oasis-level importance in society by the time of the story. While building his kingdom in-game, Alexander deals with the threat of an Evil Luddite group that's resurfaced with a vendetta against his family's company who owns the game. Oh and his father's an Honest Corporate Executive that developed the pods to potentially cure neurological injuries, disorders, and diseases...like the one that killed Alexander's mother and eventually him unless it works. And by the later parts of the series there are hopeful signs it does.
  • He Who Fights With Monsters
  • How To Survive At The End Of The World: The "Apocalypse System" comes to dying planets to help them extract a maximum amount of potential before the planet is lost forever. Survivors join the general System, which keeps the same mechanics, but progression is much slower. Which means that assholes offworlders often show up on dying worlds to kill off the locals and advance faster themselves.
  • Industrial Strength Magic: Perry's dad injected him with... something when he was a kid to prevent him from using magic. It translates all his superpowers into a level-based system with stats and perks. He's especially proud of the way he managed to get the experience system to work. Perry, meanwhile, mostly finds it annoying, even though he admits it's useful.
  • Infinite Farmer: A Plants vs Dungeon Progression LitRPG: Tulland was bored with his tiny island, and took the System's offer of a class and a chance for adventure. He really should have pressed for more details of what it was really offering... But he didn't, and now he's on a one-way trip through the Infinite Dungeon — with a non-combat class.
  • The Intercontinental Union of Disgusting Characters follows a group of characters, fully aware of the rules of their settings, Advanced Dungeons & Dragons, and largely fully optimized and with suspiciously high rolls for all ability scores. Ringman the Bearded, an unoptimized paladin, chafes under that the other character's munchkin tactics work in universe.
  • Piers Anthony gave us the story Killobyte, in which a few players get trapped in a video game by a douchebag hacker and have to fight for their lives from within the gameworld.
  • The Legend Of William Oh: This story follows the young orphan William Oh, who dreams of becoming a Climber, an explorer that rises through the Tower, gaining levels, power and wealth. While he has a rough start thanks to an unexpected betrayal, his legend is only beginning and will continue to grow, especially with the help of a good hype man. The story is published on Royal Road, and can be read here.
  • The Legendary Moonlight Sculptor
  • The Life Reset series concerns a player name Oren who starts out as the head of a major guild in the game of New Era Online before he's betrayed by his inner circle and has his avatar changed into a low-level goblin. Against the advice of a friend who works at the game's company, Oren completes a quest as the goblin, instead of rerolling his character. He's successful and starts leveling up but this causes a glitch that leaves him trapped in-game until the company can get him out. And that's just the first book...
  • List of Infinite Harem System
  • Lords of Dragon Keep: Aaron is bestowed the powers of a tabletop RPG protagonist due to the Mark of the Champion bracelet. This means leveling up, knowing his status, a Bag of Holding, and increasing his attributes like intelligence as well as status. It also gives him Hit Points. Weirdly, this is not the case for most other people in the world and it explicitly makes him superhuman.
  • Magical Girl Gunslinger describes a world populated by Magical Guardians who level and gain power from fighting eldritch invaders. The system is supplied by helpful aliens to help humanity fight back against the invaders. It deliberately follows our familiar RPG tropes specifically to make it easier for humans to adapt to.
  • Mind Games follow the days follow in the wake of one Saturday morning when suddenly magic started working and electronics didn't, the wildlife started mutating into monsters, and everyone gains RPG style powers and abilities. The disruption in communications and the lost of modern technology with above mentioned results in society collapsing as the main characters deal with their new world mechanics.
  • The Misplaced Dungeon
  • The Mook Maker
  • Necrotic Apocalypse
  • Nigmus Online takes place in the titular game and follows a player named Liam who's bullied by his Jerkass coworker into playing it and unlocking a special hidden class. He meets a girl named Kathy whose debilitating disease leads her to undergo a procedure that has her brain permanently hooked to the immersive VR technology at the cost of never returning to the real world. Then Liam's Psychopathic Manchild of a coworker breaks in while he's gaming and kills him, somehow Brain Uploading him into the game as well half-way through the book.
  • Noobtown: Jim dies in a car wreck and wakes up in a new world where he learns that Earth is an experimental world designed to be a shithole without magic so everyone can see how much that would suck. Anyway, now he needs to save his new world from the Dark Overlord. With a name from the popular series of children's books "Jim the Friendly Puppy".
  • Omniscient Reader's Viewpoint: Following the story of Kim Dokja, who finds himself in the world of his favorite novel Three Ways to Survive a Ruined World, in which every Incarnation can see pop-up menus from the Star Stream System, which display notifications, stats, chat and the cash shop.
  • Only Sense Online is more a Slice of Life approach where the main character Shun joins the titular game but do to the game misidentified his sex and a typo, he ends with a female avatar named Yun. He's blackmailed by his sister, a hardcore gamer, into keeping it and decides on a support style of play despite being told that such a character only had "trash" skills. Thanks to Achievement In Ignorance (due to never playing a video game before), Yun discovers numerous uses for the skills through Level Grinding as well as deeper levels to the game's lore.
  • An Outcast in Another World
  • Phantom Server
  • Portal To Nova Roma: Alexander specifically seeks out a world with a "system" like the games he used to play. Once there, he finds that humans have largely failed to adapt, with all the largest cities overrun by monsters because they didn't realize how some basic rules worked. He eventually discovers that the System appears to be some sort of multidimensional parasite, spreading from world to world, bringing monsters and other invaders to loot the new world of its unique materials and classes.
  • The Primal Hunter
  • Prophecy Approved Companion follows the story of Qube, the Chosen Companion to the Chosen One. Said Chosen One manages to save her at the beginning of the story from her Plotline Death, which proceeds to make the game more and more broken, in part as Qube begins to be more self-aware about her world and why the Chosen One acts so strangely.
  • The Ripple System: Earth-blood Online is the newest and best VRMMO, an evolving world with full sensory input that is just like real life, but better. There are no real fantastical elements here, no world-ending threat or people being trapped in the game. The protagonist just hates his life in the real world and has enough money to move into the game full time. It's also notable for being much closer to a real MMO than many examples in the genre; levels, cooldowns, stuns, and other gameplay mechanics are an important part of every fight, and guild politics are definitely more like what you would see in an MMO than something closer to real life. For example: Ambushing a guild while they're fighting a boss is a dick move. Declaring a full war in response is a much bigger dick move, but still treated as reasonable. Corpse-camping a player until she cries and telling her she's not allowed to play the game any more is absolutely not reasonable, and the biggest guild in the game goes to total war over it.
  • Rise of the Living Forge: The Hero of Lian loses his paladin class and starts over as a magical blacksmith.
  • Saga Of The Soul Dungeon
  • Saintess Summons Skeletons takes place in a medieval fantasy world running on RPG rules, governed by a system that even the gods can't ignore. It follows Sofia, a teenage girl native to that world, whose attempt to unlock the necromancer class goes awry when a god happens to select her as their next saintess at the same time, resulting in a system error that leads to her becoming a new class called a saintomancer. She's promptly kidnapped by a Corrupt Church that believes she's a regular saintess, and they plan on imprisoning her for the rest of her life to bolster the country's strength by forcing her to use her saintess abilities to kidnap random people from other worlds (including Earth) to serve as heroes. However, as a saintomancer, Sofia only has weird or broken abilities like Summon Blood and Heal Undead, and realizes she needs to escape before she levels up enough that her kidnappers realize she can't do the one thing they want from her.
  • Sentenced To Troll: Chad, a player with major anger issues, gets in trouble with the gamemasters and is sentenced to a month of full-immersion therapy in the game Ise of Mythos. Playing as a forest troll, Chad deals with Jerkass "hero" players and learns of the in-game culture the trolls and other monsters have.
  • Silverglade, a Dungeon tale
  • Skyclad (2018): A woman named Morgan Mackenzie is transported to an alternate Role-Playing Game 'Verse and due to the circumstances at the time (she was in the bath) along with the Narrative Filigree nature of the world, all of her powers, skills, level and stat bonuses involve her being naked to work. Hilarity does not ensue as she has to deal with all the perils of a typical Isekai story while left completely naked.note 
  • Small Medium: A sequel trilogy to the Threadbare trilogy below, this follows a halven (halfling) girl who defies her racial stereotypes to go on a world-changing adventure.
  • So I'm a Spider, So What?
  • Stonehaven League: Devon, a veteran gamer, is offered a job as a professional player for a new MMORPG called Relic Online which is run by two Artificial Intelligences each represented in-game by its life-giving God of Good and destructive God of Evil. Her quest to restore a Lost City dedicated to the former is complicated by the actions of the latter when it promptly goes Off the Rails thanks to its arrogant and short-sighted programmer. This includes using the implants in the professional gamers to create a demonic second avatar that runs while they sleep which leaves at least one in a coma after getting trapped in the demon's realm and Devon's attempt to attack her settlement in the third book.
  • Sufficiently Advanced Magic (2017)
  • Terminate the Other World!: A combat cyborg finds herself in a magical world. She initially ignores the System as "foreign malware," but eventually begins using it to upgrade her already considerable capabilities. Apparently there are actually intelligent forces managing parts of the System, because her tooltips occasionally come with multiple people arguing over how much of an Outside-Context Problem she is.
  • There Is No Epic Loot Here, Only Puns
  • This Trilogy is Broken!:
  • Threadbare is a story of a world generated by computers where the NPCs became true AI and the humans retreated to leave them in peace, where the rules shifted from old-school D&D to a more CRPG style in the recent past and everything went to shit.
  • Tower of Somnus
  • Travelers (BlueCoffeeJava)
  • Tree of Aeons
  • Viceroy's Pride
  • The Villainesss Days Are Numbered: Clea's main stat is Hit Points. She's so ill that almost everything physical she does is Cast From Hitpoints.
  • Viridian Gate Online: In the early 2040s, an asteroid is rapidly approaching the Earth with it being clear that life will be wiped out. The main character is a man named Marcus who lucks out in a lottery to join Viridian Gate Online by means of a permanent Brain Uploading. Along with the in-game dangers, Marcus must also deal with player killers who take joy in their new environment, and developers who want to recreate the class differences from the real world.
  • The Wandering Inn
  • Welcome To The Multiverse: The "System" inducts whole worlds into the Multiverse, bringing magic and a class system to advance in power. However, it turns out that the local System isn't the only System, and in fact it might be at war with the others. The entire progression LitRPG setup appears to be for training soldiers to fight the other Systems.

Manhwa 

  • Skeleton Soldier Couldn't Protect the Dungeon: An unnamed low-level Skeleton Soldier dies and finds himself back on the day he was first resurrected 20 years before, gaining the ability to "level up" and increase his stats thanks to a "blue window" he can see. Late into the story it turns out he's the only one who can see it, which is an important plot point which involves the System and the Powers That Be who want the timeline the Soldier's trying to change follow a specific series of events.

Webcomics 

  • Artificial Incident: The prologue has the main character, Kevin, quit his job and decide to become a professional game streamer based on his female character Kaylin. It ends and the story begins with "Kaylin" suffering a blackout before reawakening with little to no memory of Kevin's life. Over the course of the story it turns out the "players" disappeared two centuries before and Kaylin a century before that. Then Kaylin meets Mike, a cyborg from another video game that was based on Science Fiction rather than Fantasy.
  • The Gamer centers on Han Jee-Han, an 18-year-old Ordinary High-School Student who inadvertently breaks The Masquerade, discovering that monsters and superhuman abilities exist. His ability manifests as being a living Role-Playing Game character, including having stats, levels and abilities, all of which he can level grind by completing tasks. Unlike most other examples of LitRPG, Han Jee-Han is the only person whose power works that way, making him a Outside-Context Problem for his enemies.
  • The Order of the Stick operates on Dungeons & Dragons 3rd Edition rules, and the residents are aware of it. It's just the way the universe is. Some people try to talk in terms of percentages, but the main characters gently advise them that it's okay to just say the sword is +X to hit.