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Video Game / Heartbeat

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Eve the human, and Klein the Cait Sith

Heartbeat is a commercial RPG Maker MV game available on Steam, made by indie team Chumbosoft. It has nothing to do with the British television series of the same name.

Heartbeat's world consists of regular humans, and the magical Mogwai. Long ago, there was a war between the races, leaving the world in a constant state of danger. To maintain the peace and ensure balance, Mogs mark various humans as Conjurers to act as mediators.

You play as Eve Staccato, a simple Conjurer from a small mountain town. What starts out as a simple errand from your grandfather ends up becoming an adventure full of both wonder and peril. You will meet new friends and foes as you take on a strange and transcendent journey.

Also has a fan wiki which compiles more information about the characters and story from Word of God comments.



  • Abusive Precursors: A not-so-distant variant within living memory of the oldest Mogs but not known by many. Humanity came to other planets in Solum's solar system and completely destroyed them for resources. Solum was only saved by diligent work from Mogwai. When Humans came back, they were surprised by the survivors and started kidnapping Mogwai to dissect them for knowledge. Some young humans defected to the Mogwai and after a war which the humans lost, the human ships were stranded on Solum and the population eventually resettled
  • The Ageless: Mogs cannot die of old age, and some of the oldest are centuries old, though they're very rare, as most of the oldest died in wars with humans centuries ago.
  • Beware the Silly Ones: Tiny Oni are pretty much the game's answer to Mr. Saturn, Temmies, and other Cloud Cuckoo Land species: tiny, goofy, and constantly saying silly quotes. However, unlike the others, Tiny Oni can be really dangerous, especially in high numbers. Tiny Oni Island used to be Raijin Island until they ate most of the Raijins living there, and the only place where you actually fight them is the Brutal Bonus Level only accessible after beating the entire game and a lengthy sidequest.
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  • Bishōnen Line: Mogs that are strong enough or in a Conjurer pact can take on a human form, and said form is, in most cases, more powerful than their regular monster appearance. When Klein starts using her human form again, she gets vastly more effective as a party member.
  • Boss Rush: The game loves these, though they're oddly mostly against copies of your own party members. Special mention to the Artificial Core, where the same rush is effectively fought twice in a row and the Kuji Inn Challenge, an outrageously long Dream Sequence that pits you against just about every major character in the game, including a bunch that are otherwise never fought (like most of the other non-combat Conjurers and several shopkeepers).
  • Bonus Boss: During the Red-Eyed Cluster outbreak, a number of NPC mogs can be fought, but aren't required for completing the game, including Zheng in Corona Woods, the staff of the Sand Bar Museum, and the Sheepstack in Tindalos. Then there's Peppy Jack in the post-game, who has an entire sidequest and difficult dungeon to reach, and the Kuji Inn challenge, which is the only way to fight the non-combat Conjurers in the story, including June, Patch, and Beck.
  • Blinding Bangs: Chip's hair almost completely covers her head, exposing just her nose, mouth, and a few freckles.
  • Broken Bird: Eve Staccato's great-grandmother Eve Xin, after tragedy led to all her Mog partners being either possessed, imprisoned, or fleeing in shame.
  • Call a Hit Point a "Smeerp": HP, MP and Limit Break are replaced with Pulse, Beat and Heart gauges, as a nod to the power of Conjurers and Mogs being heavily fueled by their emotions (in fact, Beat-replenishing items are things that make you feel warm and fuzzy, like pictures of kittens). Every party member also has their own spin on the Skills tab.
  • Call a Smeerp a "Rabbit": There are a lot of weird insect creatures in Solum that everyone calls sheep, cows, and horses. But even Outset natives are a little unnerved by the Tindalos "puppies". It's eventually revealed they're not harmful, just alien livestock, and when the protagonists encounter normal livestock, they're incredibly freaked out by the "aliens".
  • Cast Full of Gay: While much of the cast doesn't have any stated romantic interests, those who do are almost entirely gay women, including many of the protagonists, and a male/male relationship was significant in the history of the story. Of course, for Mogwai, gender isn't necessary for reproduction and is more a manifestation of their energy than anything else.
  • Chekhov's Gunman: Eve quite literally bumps into one of the more important characters in the game a few minutes into her adventure, a fact that won't become apparent until much later. Kon and Rain also appear as Snowverian tourists arguing on the side of the road early on.
  • Collection Sidequest: One building has vending machines that dispense Wukong Trading Cards, which depict various characters, enemies, and locations. The Steam release has achievements for gathering them all.
  • Damn You, Muscle Memory!: The elemental affinity system is similar to more well-known ones such as Pokémon, but has some curveballs like Flora being weak to Shadow and not Fire, and that all affinities resist their own affinity.
  • Demonic Possession: As vengeance for ruining her life, Queen Han literally took Caesar's, possessing his core and using his body for the following centuries.
    • Harbei Grotto and Cirruwa Forest are two back to back areas that mark the point where the game starts introducing tougher enemies and forcing the party to attack with ineffective affinities, with Harbei Grotto also forcing the party to walk part of the way out of the dungeon with only two party members.
    • After the party crosses the Point of No Return and enters the Den is the last major spike in difficulty, with healing spots being very limited and Klein being kidnapped almost immediately and unavailable until she's rescued.
  • Downer Ending: In contrast to the relatively upbeat tone of the game, the bad endings are astonishingly brutal and horrifying, and include some incredibly dark moments; this is played up somewhat as all endings except the True Ending give a prompt to "end this nightmare".
  • Earn Your Bad Ending: Endings D and C require the player to ignore Eve saying they need to rescue Klein multiple times, and are consequently are the two most brutal endings. To a lesser extent, Endings B and A require the player deliberately ignore reminders from Choi before the Point of No Return and Rex's shouted advice that they need to avoid hurting Caesar.
  • Elemental Rock–Paper–Scissors: Every Mog has an elemental affinity, out of Fire, Water, Earth, Wind, Ice, Volt, Flora, Toxin, Light, and Shadow. With one exception (that took heavy genetic modification to happen) said affinity is determined by their species, though some species have some variety. Non-Mog characters instead deal Non-Elemental damage, though Eve can use Core Pieces gifted by her Mog friends to give herself elemental powers for a few turns.
  • Fantasy Kitchen Sink: Mogwai are based around myths and folklore from all over the world, including at least one Creepypasta (specifically the Kunekune, a japanese meme similar to The Slender Man Mythos). And then, aliens are introduced...
  • Fishing Minigame: Eve's field ability is to go fishing, which is done by pressing displayed directions.
  • Fluffy Tamer: The Sheepsquatch trio and their farm of "puppies". Large, slimy, monstrous puppies. They managed to tame them surprisingly well, though, so they might as well be regular dogs and not alien monsters imported by accident to Solum.
  • Foreshadowing: There are many offhand references to the history of Solum such as terraforming and genetic engineering of species to survive harsh conditions, that the reveal of humans not being native to Solum and aliens being around isn't treated as a surprise by the game, though it may come as one to players who missed those references.
  • Gratuitous Foreign Language: The official language of Snowver turns out to be surprisingly decent French. Cache Monet also tends to pepper her dialogue with Gratuitous Japanese.
  • Guest-Star Party Member: Chip's little brother Blitz, who is AI-controlled due to incompatible affinity with Eve. Choi, Fang, and later Tate are more standard examples, being briefly playable for short parts of the game. Shep is a weird case: the game treats her as a full main character, but since she's more concerned with shopkeeping than adventuring, you only get her in your party for one boss fight until the post-game, where she's as playable as any other party member.
  • Hub Level: Shep the Tanuki turns the world's sewer system into this, connecting all the world's towns as well as persuading some Mogs to set up a shop and an arena.
  • Human Disguise: Pacted Mogs often appear in their Human forms so as to not draw undue attention, since Conjurers are relatively rare. While most Mogwai in Human form have distinguishing characteristics such as strange hair colors or are Little Bit Beastly, some have human forms that're close enough that even other Mogs get confused.
  • Humans Are the Real Monsters: Aside from the Snowverians who mercilessly hunt down Mogs (and brief mentions of other nations that are even worse), trauma from dealing with humans waging war on her and a terrible former Conjurer is at the root of Queen Han's hatred to humans. And reading documents on the H.M.S Tenebro in the post-game makes it clear that humans used to abduct Mogwai children and dissect them.
  • Homosexual Reproduction: Mogs don't really have gender in the way humans do, having Yin and Yang mogs instead, and one character even has to correct herself to refer to a Yin mog as female at one point. Their reproduction involves fusing shards from each others core into an egg and can happen in any combination of Yin and Yang mogs. Eggs that're unloved and unwanted become cold and hard, and rarely hatch by themselves, though it's not unheard of, while eggs to loving families are warm and sometimes even bounce around vibrantly.
  • Improbably Female Cast: All party members are women, save for guest-star Blitz, which is justified In-Universe as Eve can't command Yang (male) Mogwai in battle due to her Yin phase.
  • Interface Spoiler: The sewer system and the museum's fish collection will gleefully name every location in the game before you've even reached the first quarter. Though the sewer doesn't have any of the Den's locations, and one of the fishes is in a place that you never go to... unless you catch every other fish in the game first.
  • Interspecies Romance: Romance between Mogwai and Humans is very rare, but not unheard of, and the two cases shown in the story were between Conjurers and their pacted Mogs. Also subverted for Ark and Nile, as though they were in love, they only got married after Nile was reincarnated as a Mogwai.
  • Leitmotif: Most major characters have one, sometimes with associated Dark Reprise or Boss Remix. In particular, every Conjurer has a different variant of the title screen theme.
  • Long-Lived: Two varieties. All Wuji Conjurers have long lives, with Eve Xin living to 200, with the trade off that they cannot reincarnate. The Stacatto family, descended from Eve Xin, also seems to have slow maturation and longer than average lives, but a more subtle variant; her son Liang is nearly 80 and looks decades younger, while her great-granddaughter, Eve Staccato, is 22 and is constantly mistaken as a teenager.
  • Morphic Resonance: All Mogwai in human form retain the same color schemes as their Mog forms, and some are also a Little Bit Beastly, though this isn't universal.
  • Multiple Endings: Five total, though all except the true ending are bad endings that give the player the option to "wake up from this nightmare" and return before the Point of No Return for that ending. They depend on whether or not the player completes certain sidequests, overcomes challenges, and a choice made in the final battle.
    • Ending D: Minced Meat. The party does not save Klein. As the party enters the castle, Klein attacks from behind to protect Eve from "Dragons", mortally wounding Kon. She then attacks Eve and after Eve loses the battle against her, Nyx appears to protect her, but Klein stabs her in the back. With Nyx and Kon dying and Eve defeated, Yorshk appears and reveals that she has brainwashed Klein. Rex is captured by the Siren guards of the Castle, and a triumphant Yorshk gloats that she will soon reach the throne. As a final cruelty, she forces Klein to eat Eve alive so that nothing is left for Dragons to hurt.
    • Ending C: Goodbye. The party does not save Klein. As the party enters the castle, Klein attacks from behind to protect Eve from "Dragons", mortally wounding Kon. She then attacks Eve, and after Eve defeats her, she collapses backwards, the strain of the battle and fighting Yorshk's mind control proving fatal. She dies in Eve's arms as Nyx and Rex come back to see where Kon and Eve are. The guards close in as Nyx warns Eve they need to leave, but Eve can't go on without Klein. The guards catch everyone and immediately proclaim their punishment to be death, leading to a Bolivian Army Ending.
    • Ending B: Demigod. The party saves Klein, but does not defeat all of the Red-Eyed Clusters and fails to collect the Bangua Mirror. Queen Han possesses Eve, forcibly pacting with her, then kills the fallen Caesar and Nyx when she attempts to save Eve. After the remaining party challenges her, regardless of whether she wins or loses, guards arrive to back her up and the party is defeated. She exiles Kon and Rex, and swears to take conquer Solum to return it to the Mogwai using the power of her new form. To torture Klein with her failures, she leaves her locked in the dungeons until she rots.
    • Ending A: Heiress. The party saves Klein and defeats all the Red Eyed Clusters, but accidentally defeats Caesar, leading to his death. Queen Han attempts to possess Klein, but Nyx amputates her arm and then kills what's left of her energy. This enrages Rex and Kon, the former storming off in disgust after calling the party monsters and the latter of whom assumes the throne, vowing to never again let humans hurt Mogs. Back in the Outset, Rain is heartbroken when she hears Kon will never return, and threatens to kill the party. Eve is left devastated and the attempt to change the world fails.
    • True Ending: It's Okay To Cry. The party defeats all the Red-Eyed Clusters, saves Klein, and doesn't hurt Caesar. The party is sucked into the Artificial Core along with Queen Han, and after a montage of their friends from along their journey cheering them on, Eve is able to get the Queen to calm down and abdicate the throne. The only ending to have the credits roll and allow for the sizable post-game content to be accessed.
  • My Greatest Failure: Klein has a doozy of one. Two hundred years ago, she was tasked by Queen Han with killing her first Conjurer Eve Xin, as vengeance for her fellow Mog Caesar having an affair with the King. Klein instead tried to kill the Queen with one of Eve's ceremonial daggers, but fled and dropped the weapon. This immediately lead to a huge Human/Mog conflict, Caeser being possessed by Han, Eve's first Mog Nyx being imprisoned and tortured into turning from a Wisp into a Reaper, King Long's death when trying to flee with his and Han's Egg, and Eve Xin becoming a Broken Bird for the rest of her life while Klein watched from afar.
  • My Name Is Not Durwood: It doesn't matter how much it's repeated, Wake never gets that no, Pike's name isn't short for "Pichael".
  • Older Than They Look: While most of the Mogs err on the side of Really 700 Years Old, Eve herself is twenty-two. No one ever believes her (the twintails don't really help), which is why diners and bars only sell you coffee.
  • Polyamory: One sidequest involves delivering different species of fish to Fang, a female Mogwai with twelve wives (and one ex-wife).
  • Posthumous Character: Eve's recently deceased great-grandma Eve Xin drives a lot of the plot and character motivations.
  • Random Species Offspring: It's mentioned that a Mog can hatch as either species of their parents. Discussed and played for drama in Klein's flashback, where Queen Han goes ballistic over the idea of what would happen to the Den's order if an egg produced by her husband, Long, were to hatch into a Manticore, the species of their general, or if it were to hatch into a Dragon that would have to live with the knowledge that one of their fathers was a commoner.
  • Shout-Out: Loads of them!
    • To Simple Clips. Right at the game's outset, on Eve's starting equipment, no less!
    • "Pike" is not short for "Pichael".
    • VOLCANO BAKEMEAT, caps and all, is a TV Dinner brand in this universe.
    • About 80% of the houses in the game have at least one bookcase "full of Mogwai encyclopedias and magazines". Just like every other house in both Pokémon and Mega Man Battle Network.
      • Speaking about Battle Network, Eve's e-mail is definitely inspired by that game, with the same interface layout and functionality (for storing both storyline fluff and reminders of where to go next).
    • Taking control of your signature Mon, temporarily, to explore passages too short for your main character to go in, shouldn't be a new mechanic for anyone following fanhacks, specifically Pokemon Prism.
    • There are a long series of Pokémon references, ranging from cameos (Eve having Luchador masks that resemble the starter Pokemon of Alola) and several move names. A major end-game location is also named Snowver, and the Snowverian's tendency of having blue hair could be a reference to the blue color of shiny Snover.
    • Aside from being named after a volcanic moon, "Io" is known for being the name of another will-o'-the-wisp.
    • The Veggie Freighter Snowverian requires you to compete in the "Hungry Games", and which are NO RULES! JUST RIOT! YOU DO FOR ME YES?.
    • The Sprite enemies look exactly like Koroks.
    • Nyx's boss sprite has a glowing blue light trailing from her left eye. This also ties in with the solid black weapons that Mogwai use.
    • Two of Eve's final moves from the DNA Shop in the post-game are ESP Rockin' and Revengeance. There's also a Running Gag of a surprising number of the game's trash cans containing a single hamburger... and it's all mouldy.
    • Peppy Jack, the strongest Tiny Oni who led a bunch of other Tiny Oni with his "bad vibes" has a horn rising from his right temple and an eyepatch.
    • Kon's theme song "Mogster Hunter," as well as Snowver being a hunting town in general is a reference to Monster Hunter. Eve also owns plush toys of Brachydios and Khezu, while Rain's room has ones of Lagiacrus and Lagombi.
    • Several character quotes from the Wukong cards are lyrics from various songs by Marc M. of Sick Animation
    • One of Klein's weapons is the Tenjou Dios.
    • Belle's theme is Rustic Ranch Story and would fit in well in the games it references. June also owns a Mountain Tengu branded camera, and Dawn looks very suspiciously like a hatless Sumireko.
    • An NPC in Aeros resembles Chris-Chan, and even says "ZAP TO THE EXTREME!"
  • Terrible Trio: Wake, Skip and Pike quite literally call themselves the Terror Trio, and people forget and mix it up with the trope name. They're not actually incompetent (in fact Wake has quite the reputation), but they're not really evil as much as they are somewhat jerkish Punch-Clock Villains (except Pike, who's not even a jerk). All three end up pulling a Heel–Face Turn, with Pike joining the party while Wake and Skip opt to crash on Belle's couch and start a family.
  • The Battle Didn't Count: In Ending B, it is difficult, but possible to defeat Queen Han possessing Eve, especially by using damage items. However, she shrugs it off as being rusty and the scene proceeds as if the party lost.
  • Theme Naming: The Conjurers have last names based on musical terms of some sort, while Mogs are instead named after demons (mostly of the Ars Goetia). And on a more humorous note, there's Mac and Chee.
  • Tragic Keepsake: Nyx's scarf. It was Eve Xin's and the only thing left of her in the Den after Klein took her and ran to the Outset.
  • Traumatic Superpower Awakening: Will o'Wisps might be kind of a joke among Mogs, being barely corporeal balls of cold flame, but enough emotional trauma can cause them to turn into much more fearsome Reapers, who are not only much stronger, but also known for their ability to directly reach for a Mog's core.
  • Underground Monkey: Generally avoided. Stronger Mogs in later areas are often similar to Mogs in earlier areas, but have new sprites and moves and are referred to as +, and some species later have ++ and X varieties. However, Sprites, Dryads, and Nymphs are all recolors of each other, which goes for their + and ++ forms as well, with the only difference between the three being that Nymphs are Ice-affinity unlike their Flora-affinity cousins.
  • Virtual Pet: Early on, Eve gets a magical baby moth that acts as a computer-controlled fifth party member. Its stats can be modified by feeding it various foods, and transformations unlocked with the DNA of befriended Mogs.
  • Weapon of Choice: Noted to be a particularity of Mogs. They are born with the ability to wield one specific weapon, that they can hide in and pull out of their shadow; while they can change the specific weapon they use (with most Mog party members having three different weapons found in game), they can't change the type of weapon. Said weapons range from regular swords and axes, to more outlandish stuff like yoyos and umbrellas, to outright gimmicks like Shep's Bag of Holding or Nile's prophetic crystal ball. While most are fitting with their personality, some get less lucky (notably Quinn the Jackalope, a cute and friendly little girl who can barely even lift her battleaxe).
  • White-and-Grey Morality: The heroes are pretty cheerful and upbeat characters themselves, and they are happy to save the day. While there's only one character in the game who seems to be truly evil, everyone else is redeemable or at least quite sympathetic. You know it's this trope when the majority of your party ends up being people who were initially enemies.
  • Wrestler in All of Us: Eve's a fan, and would probably have tried to become a Masked Luchador if it wasn't for her Conjurer business. For someone who looks like a White Magician Girl at first glace, all of her moves are wrestling-themed in some fashion.
  • You Gotta Have Blue Hair: While wacky hair colors are usually reserved for human-shape Mogs (with Io's bright pink getting special attention from the people around her), Snowverians all have various shades of blue hair.

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