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- Naruto encounters several enemies who have the ability to drain chakra, most notably a spy of Orochimaru's who actively absorbs his enemy's chakra though his palm (he fights and loses to Sasuke in the preliminary of the Chunin exam).
- The Juubi's roots have the ability to instantly absorb chakra when it transforms into its God-Tree form. Kaguya has the same ability through touch and her minion.
- A machine in later episodes of Magical Project S is capable of this on a mass scale.
- Many characters in Dragon Ball Z can absorb ki from attacks. Android 20, a.k.a. Dr. Gero, once suckers Vegeta into using an extremely powerful attack to obliterate his hiding place, only to zip out and slurp it up through his hands before it hits.
- This is played with later in the Buu story arc. Goku fights Yakon, a creature on Babidi's ship that drains his power whenever he turns Super Saiyan. He destroys it by turning Super Saiyan 2 for a very brief moment; the sudden influx of energy is too much for the creature's body and destroys it.
- Negi Springfield of Mahou Sensei Negima! in his dark mode does this using black flames.
- To be more specific, he only does this after absorbing a specific spell — "Hell's Conflagration".
- In Black Clover, Asta's Black Clover Grimoire summons Anti-Magic swords that drain mana on contact. This makes them extremely dangerous for anyone but Asta (who has no mana at all) to wield.
- In Kono Subarashii Sekai ni Shukufuku o! Wiz, a Lich, and Kazuma have the "Drain Touch" ability, which allows them to drain mana and/or HP, as well as transfer it to others.
- Mana Drain spells exist in Re:Zero, and since mana is essentially a person's life energy, draining one's mana can seriously tire or even kill them.
- In My Little Pony: Friendship Is Magic (IDW), Changelings are stated to be able to do this, as Queen Chrysalis intends to drain Twilight of her magic.
- In the Enchanted Forest Chronicles, this is how all wizard magic works: their staves automatically draw in magic from the environment and store it to be used in spells. The effect is normally limited to close proximity, but can be expanded greatly for a short time. It also causes a severe allergic reaction in magical creatures such as dragons, and probably worse with long exposures.
- The color Blue in Magic: The Gathering has a host of such spells, as pictured above. Three such spells are Drain Power, Mana Drain and Mana Short.
- Mana Drain was so overpowered that Mark Rosewater, head of R&D, famously stated that the entire R&D team would have to be hit by a bus before they'd reprint it. They did eventually print a heavily nerfed version, Scattering Stroke, as a Continuity Nod.
- Steal Energy in GURPS is a highly restricted version of this.
- Power Leech, a psionic power from Dungeons & Dragons, allows a Psion to slowly drain power points from other psionic characters, although only a fraction of the drained points are added to the attacker's reservoir.
- There have been, over the editions, several different ways of roughly approximating this trope within the context of a basically Vancian magical system. One example is the 3.5 spellthief, which can forgo doing extra damage with its sneak attacks and instead steal a spell from the target, which can then be cast by the spellthief.
- In the Dark Sun setting (Arthas), arcane magic spells are cast by withdrawing power from the surrounding area, leaving it drained of life and barren. A player character who wants to use arcane magic can choose NOT to do this, but it's more difficult, so users of arcane magic are almost universally reviled as "Despoilers", hated because Arthas is enough of a desolate wasteland already. Druids, Shamans, and Psionics draw their powers from other, more socially acceptable, sources, so users of arcane magic are advised to either hide their use of magic entirely or pretend to be one of these (the gods of Arthas are all dead, or gone, or at least no longer speaking to anybody, so pretending to be a cleric isn't an option). The only people who can get away with openly using arcane magic are the Sorcerer-Kings, who are powerful enough to not have to care much what anyone else thinks about it.
- The "Mystic Hunger" Consequence in Kitsune: Of Foxes and Fools causes the fox who drew it to try and steal the foxfire from another fox. However, they have a chance of failing and losing all of their own foxfire.
- In Warhammer: Age of Sigmar the Icons carried into battle by the Tzaangor drain magical power from nearby magic users and convert it into sorcerous bolts that the Gor-kin fire back at their foes.
- Final Fantasy:
- Most games have the Osmose spell. More useful for replenishing the caster's MP than removing the target's (it's usually easier to just kill them), but it's very useful for the former. It usually only costs 1 MP and can obviate the need for MP-replenishing items altogether. And since MP can easily be converted to HP by way of healing spells, this also makes it trivial to get the party back up to fighting strength between battles.
- The Blue Magic Magic Hammer occasionally works this way, but usually just lowers the target's MP.
- Celes of Final Fantasy VI has the Runic ability, which is a reactive Mana Drain: when active, all magic cast automatically targets her, and she gets MP equal to the cost of the spell without getting damaged.
- Magic Hammer pulls triple duty in Final Fantasy XI, what with not only draining MP and giving it to you, but causing HP damage as well. Blue Mages can only learn it at level 74, however. There's also Aspir Samba, which Dancers use to let party members drain an enemy's MP.
- There's also White Draw, a Dragoon skill in Final Fantasy IX. It drains MP from an enemy and splits it among all the current party members.
- Final Fantasy VIII has the draw command, which lets you pull spells out of the enemies' bodies to replenish your own stock. Beware, however; some enemies, such as Ochu and The final boss can mana drain you.
- In Final Fantasy Tactics A2, spells are kept from being overly powerful by MP starting at zero and regenerating 10 each turn. For this reason, Osmose's straight MP drain would be too powerful when used by a mage class, and we instead get the Arcanist class's "Syphon" spell which drains the opponent's MP and restores an equal amount of the casters HP. The Lanista attack "Sword of Light" still does this conventionally, probably because Seeq don't have a lot to spend MP on.
- Final Fantasy X has Osmose found in Wakka's Sphere Grid. If taught to your dedicated Black Mage (usually Lulu), it facilitates spamming of Flare and/or Ultima. Especially since you can pull the MP from allies if you want.
- Bravely Default has the Aspir magic spell (the normal Black Magic spell as well as the Sword Magic variant) and the Vampire's Magic Drain ability.
- Ragnarok Online has an interesting example with it's Soul Change skill. Instead of just draining mana it swaps the mana pools between the caster and his target. As a result it can also be used to replenish allies mana using your own.
- City of Heroes has all sorts of endurance drain powers. On the critter side, the Malta Sapper has the most obvious and drastic (half your total Mana Meter in one hit), though there are others (Arachnos Mu are less powerful than Sappers, but much more common). On the player side, Power Sink, Transference, Short Circuit, Energy Absorption, every Electrical attack, and most of the Kinetic ones.
- Mana Drain from Shin Megami Tensei III: Nocturne. Life Drain and Daisoujou's Meditation are buffed versions of this that also steal HP.
- The Lord of the Rings Online has the Loremaster player class, which can drain power from opponents and pass it to teammates. Certain enemies, such as the undead, can apply disease debuffs which drain your power.
- Some of the Dragon Quest games have enemies doing a "strange dance" which lowers one's mana. This was referenced in the baseball episode of Haruhi Suzumiya ("Is Haruhi trying to lower the pitcher's MP?").
- The Blood Mage in Warcraft III: The Frozen Throne has an ability called "Siphon Mana". This can also be used on allies, draining mana from the Blood Mage into the ally.
- In World of Warcraft, shadow priests have this ability. They also have Mana Burn, which drains the victim's mana and hurts him by the same amount at the same time.
- Mages can do this to themselves, sort of; Mana Shield will cause them to lose mana instead of health when struck.
- Lady Deathwhisper, a boss in Icecrown Citadel, starts the fight with a mana shield which gradually drains her mana as you chip away at it. You can't even begin to hurt her until her mana pool is exhausted.
- Mages can do this to themselves, sort of; Mana Shield will cause them to lose mana instead of health when struck.
- In EverQuest, Necromancers and Enchanters are masters of this trope. Actually, Enchanters are mostly obeying this trope in raids. They rarely use their (otherwise totally inoffensive) damage spells, but they use all their versions of Mana Drain (one of them even named that). Similarly, Necromancers do this, and their inversion: Mana Pump.
- "Mana Drain" is one of the many spells in the Warlords Battlecry series. Also, an electrical attack will drain mana as a side effect on a critical hit. Both of these only empty the mana meter of the enemy, it doesn't steal it.
- Guild Wars characters have access to a wide variety of mana-draining skills. Ironically, the similar abundance of mana-boosting skills (especially the Necromancer's powerful Soul Reaping ability), coupled with the fact that most of the monsters are oversupplied with mana to begin with, has led to mana-draining skills being widely thought of as underpowered and pretty useless.
- Star Wars: Jedi Knight: Jedi Academy has "Force Drain" as a dark power (it was also available in the predecessor Jedi Outcast, in multiplayer only).
- If it's used on you, once you run out of force power, it starts draining your health. Really powerful bosses can kill with it.
- Similarly, Knights of the Old Republic II also had "Force Drain" as a Force power you could choose, but as you ran into maybe a dozen Force-using enemies in a game it was largly worthless. It's only real use is if a Light Side player wishes to use a certain Good Bad Bug for infinite experience, since it occurs in a place where force points can not be regenerated.
- Super Robot Wars has the Energy Taker, which does exactly what the name implies.
- The Snow Clan of the Disgaea series does this as their class ability. Fubuki does this directly while Yukimaru has the Hyuuga clan variant (physical attacks have a chance to inflict amnesia which disables use of special attacks).
- In the MMORPG Anarchy Online the trader profession has powerful abilities that drain other players nanoenergy (mana in the scifi game)in pvp combat, leaving many professions crippled.
- This was one of the ways you filled your Mana Meter in Silhouette Mirage, a PSX platform shooter. Facing one way would make you fire either life- or mana-draining bullets, depending on which kind of opponents they were. Facing the other way reversed them. Very 2-d of the game. Of course, if you didn't want to turn around you could burn 1/3 of the mana meter with a special reversal move.
- In Puzzle Quest: Challenge of the Warlords, the game itself performs a "Mana Drain" on both you and your opponent when there are no more available moves.
- Titan Quest features several random weapon properties and a skill or two that damages mana.
- The MOTHER series of games features "PSI Magnet α/Ω". Both moves are free, alpha drains from one target, and omega drains from all enemies. The catch is that the enemy has to actually be able to use PSI in order for PSI Magnet to drain PP. Fobbies are great for this, because they attack in large numbers, but start with a status effect that prevents their PSI from working. Just don't overdo it, because it'll really hurt when that status effect wears off.
- Present as a Mage spell in Nox, and notable for how it can drain mana over time both out of living beings as well as mana crystals and pylons.
- The Shin Megami Tensei series has Mana/Spirit Drain, whose name and usefulness depends on the game.
- While it's something of a Useless Useful Spell for the player in the Persona series, since the amount of SP recovered is quite low, enemies using said ability are a big threat due to the difficulty of replenishing SP, particularly in Persona 4.
- A more useful variant is in Devil Survivor; it gets both HP and MP, is unblockable, and is nearly the only way to restore MP mid-battle.
- The Elder Scrolls
- The series has Absorb Magicka and Spell Absorption as spells, classed under either the Mysticism or Restoration schools of magic depending on the game. Absorb Magicka directly drains the target's magicka reserves to replenish yours, while Spell Absorption gives you a chance of absorbing any spells cast directly at you, negating their damage while restoring your own Magicka. Actually casting them as spells is almost useless, as they mostly just replenish the Magicka you used to actually cast them in the first place (though they prevent you from taking damage from hostile spells, at least). However, Absorb Magicka is a decent enchantment for weapons (as you can deplete the magicka of enemy casters without using your own), and Spell Absorption makes for one of the best defense enchantments in the series. Enchanting Spell Absorption onto clothing, jewelry, and pieces of armor will leave you as a spell-absorbing Mage Killer machine.
- The Necromancer's Amulet is a recurring artifact item throughout the series. One of the many powerful abilities it grants the wearer is the ability to absorb spells.
- Defense of the Ancients: All-Stars Lion has a channeling mana drain. His counterpart from Heroes of Newerth, Witch Slayer, shares the same ability.
- EVE Online has energy vampires (usually called nos, or nosferatu after some of the different types available) that transfer some of the target ship's capacitor energy to your own. Something of a game breaker before being patched to not drain the target's capacitor to a lower percentage than your own. Some ships have bonuses to the drain amount of nos and neuts, the related mana burners.
- MapleStory has a passive version of this, called MP Eater, for wizards of all classes that has a percentage chance to drain a percentage of a target's mana for every magic attack. Because of the way it triggers, it's useless for actually gaining mana and mostly serves to lighten the cost of mana potions.
- In The Legend of Heroes: Trails of Cold Steel II, the sequel to The Legend of Heroes: Trails of Cold Steel, the final boss drains the mana of the citizens of Heimdallr rendering them unconscious.
- Dark Heart Of Uukrul had the Sator and Rotas spells for this purpose. (One created a link, the other drew mana through it.)
- The ELS sucks EN in Super Robot Wars UX with their attacks, and if their victim runs out of EN, their mecha blows up. Ironically, the Mana-dependant Demonbane is immune to this, so Demonbane would be a perfect front-line fighter against the ELS.
- Descent II has Energy Bandits, which as their name suggests, drain your weapon energy.
- The Defiler in Nexus Clash has mana drain as their basic way of recovering energy. Despite being demons, many demonic factions will cooperate to let Defilers take small amounts of mana off the top of the whole faction for a more efficient demonic war machine, but angels and transcended humans are always the preferred target.
- This is the power of Josh, protagonist of Middleways and he is very troubled to think how easily he could kill someone with it, and how good it would feel. Other characters are aware of this and are varying shade of sympathetic or distrusting.
- Lord Tirek in My Little Pony: Friendship Is Magic, a revamp of the classic Tirek from the G1 cartoon, has the power to drain magic out of ponies to increase his own power. He can even drain the flight and weather manipulation out of pegasi and the strength and Green Thumb abilities out of earth ponies. And once he becomes sufficiently powerful, he is even capable of draining the Chaos Magic power from Discord. This even carries over to Power Copying, as he seems to use Shining Armor's barrier spells when fighting Twilight Sparkle.
- In Trollz, this happened in the backstory. Simon grabbed a lot of the magic and turned it evil, taking it from male trolls and minimizing it for girl trolls. His abilities in the present day include magic-draining as well.
- In Barbie and the Secret Door, Malucia's magic wand drains others' magic.