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An attack that does damage and also heals you.

Life Drain attacks generally come in three flavors:

* HP restored equals the full damage dealt. Sometimes the reverse is also true, causing the maximum strength of the attack to vary inversely by the user's HP, and in particular fail to have any effect if their HP is already full. If so, it also has elements of a DesperationAttack.
* HP restored equals a reasonable portion of the damage dealt, frequently 50%.
* HP restored is a small fraction (such as 1%, 10%) of the damage dealt, to the point where the HP restoration is more of an added effect than the primary purpose for the attack. May also manifest as a status buff.

Oftentimes, Life Drain will be ineffective against undead (since they don't have any LifeEnergy to drain), or worse, it'll end up [[HoistByHisOwnPetard healing them and hurting the user]], for much the same reason that ReviveKillsZombie.

Subtrope of LiquidAssets. Related to ManaDrain. For the non video game mechanic version, see VampiricDraining.



[[folder: Collectible Card Games ]]

* A staple effect of black spells in ''TabletopGame/MagicTheGathering'', as well as white spells such as Spirit Link (which tend to emphasize the healing portion of the effect; Spirit Link takes something that automatically does damage--creature combat--and makes it heal you too) and the mechanic lifelink. The most notable spells in this category are Consume Spirit, Drain Life, and Tendrils of Agony.
** Defiant Bloodlord is an [[InvertedTrope inversion]] (in contrast to most of the Vampire creature type, which plays it straight): Instead of giving you life when your opponent loses life, it takes life from your opponent when you gain life).



* ''Roleplay/DestroyTheGodmodder'': A few different entities have gotten this. The Virus was given the ability to use this on two specific enemies at one point.


[[folder: Tabletop Games ]]

* ''TabletopGame/DungeonsAndDragons'' 1st and 2nd Edition.
** A {{half|HumanHybrid}}-succubus (alu-fiend) can drain 1d8 HitPoints by touch and be healed for half the amount drained.
** A Vampiric Regeneration Ring heals its wearer for half the hitpoints the wearer inflicts on other creatures in melee combat.
* A variety of attacks in ''TabletopGame/MonsterOfTheWeek'' are tagged so that they can do this. The main player character with access is the Monstrous, particularly a FriendlyNeighbourhoodVampire Monstrous.

[[folder: Video Games ]]

* ''Franchise/{{Pokemon}}'' has Absorb (as well as its upgrades, Mega Drain and Giga Drain), Dream Eater, Drain Punch, Horn Leech, Leech Life, Leech Seed, Draining Kiss, Parabolic Charge, and Oblivion Wing.
** Pokémon, for its worth, has two different types. "Absorb" and family restore half of the damage dealt (Oblivion Wing and Draining Kiss restore 75%), while the "Shell Bell" hold item (activates whenever an attack successfully connects with the foe) restores 1/8.
** The Big Root item can increase the amount of damage restoration when held.
** The ability 'Liquid Ooze' (possessed by Tentacool, Gulpin, and their evolutions) causes any HP-draining attacks[[note]]with the exception of Dream Eater in generations III and IV[[/note]] used against the wielder to instead cause damage to the drainer (though the damage to the wielder is not negated).
* Underdark spells in Website/FunOrb's "Arcanists" specialize in draining life.
* ''VideoGame/TeamFortress2'' has several variations:
** TheMedic's Blutsauger and Soldier's Black Box heal set amounts of health whenever they do damage (for the latter giving it several times if the SplashDamage hits multiple enemies).
** With a kill, the Pyro's Powerjack restores a set amount of HP, the Demoman's Eyelander boosts max HP a set amount, the Half-Zatoichi restores all health (at the cost that, once equipped, one takes damage if they put it away without killing someone with it), the Spy's Conniver's Kunai absorbs all the HP of whoever he backstabs with it (though it maxes out at the Spy's overhealed maximum of 180), and a Scout with a Candy Cane on him drops a health pack (even if he doesn't get the kill ''with'' the Candy Cane).
** All attacks against enemies covered in the Scout's Mad Milk or by people under the effects of a nearby Soldier's Concheror restore a percentage of the damage they deal.
** Mann vs. Machine mode allows classes to purchase upgrades for any of their weapons that cause them to regain a set amount of health upon killing a robot with it, generally coming in sequential upgrades of 25% total health regained.
* In ''[[VideoGame/{{Onmyoji}} Onmyōji]]'', [[MeaningfulName Kyūketsu]][[OurVampiresAreDifferent -hime]] has this ability.
** Yōko gains this once Awakened.
** Hotaru-gusa is the only one who can make this ability look cute.
** Kachōfūgetsu can take enemies' HP for herself or for one of her teammates per turn, ''and'' can make it [[ArtAttacker breathtakingly beautiful]].
** For other ''shikigami'' who can't do this, equip them with four ''Kōmori no Tsubasa'' (Bat's Wings) ''mitama'' and watch them life drain away.
* ''VideoGame/{{Diablo}}''. One possible weapon special ability is healing your character when you damage opponents.
* This attribute on weapons, along with skills that do the same, are very common in ''VideoGame/{{Diablo 3}}''. It's easy to [[CripplingOverspecialization rely too much]] on the ability to steal life faster than the enemy can hurt you, making your character UntouchableUntilTagged by something like an ice blast which temporarily takes away your ability to attack.
* ''VideoGame/{{Sonny}} 2''. A number of attack abilities (such as Terrify) damage an enemy and heal your character.
* ''Franchise/DragonAge'' also features a Drain Life spell. If you cast a Vulnerability Hex on the target first, you can actually perform an Improved Drain. Later games give the Reaver specialization the Devour ability, which goes a long way toward mitigating their GlassCannon tendencies.
* ''VideoGame/KnightsOfTheOldRepublic'' has a dark-side ability with the same name. The area-effect version of this ability is called "death field".
* Most ''Franchise/FinalFantasy'' games have the spell "Drain," which [[ExactlyWhatItSaysOnTheTin drains]] HP and usually restores one-to-one. It varies substantially in power from game to game, or even between [[UpdatedRerelease remakes]], but is usually [[UselessUsefulSpell pretty lame]] compared to spells that just heal or just hurt. It's also common to have one or more weapons that do the same--usually a Blood Sword--which may or may not be {{game break|er}}ing if used in certain ways. Also, when used against undead enemies, it is common for drain effects to reverse; they will instead ''heal'' the undead enemy and ''hurt'' the attacker.
** In ''VideoGame/FinalFantasyVIII'', the Blood Word effect can be achieved by junctioning the Drain spell to a weapon's Status Attack, with the percentage of damage added to the character's HP based on the number of Drain spells stocked (up to 100 for 100%). As with most spells in the game, this is usually better than actually casting it.
** ''VideoGame/FinalFantasyTactics'' has this spell always take a percentage of the target's maximum hit points. On enemies that have very high defenses and a large stash of hit points (like all of the Lucavi and the FinalBoss), they effectively became the most powerful attack abilities available, taking them from NotCompletelyUseless and turning them into a GameBreaker.
** [[VideoGame/FinalFantasyX Kimahri Ronso's]] Lancet ability combines this with ManaDrain, but it's not all that strong, and is really put to better use for learning his [[LimitBreak Overdrives]].
* Necromancers in ''VideoGame/GuildWars'' have a large selection of spells that do this.
* ''Franchise/MegaMan''
** Shade Man of ''VideoGame/MegaMan7'' will drain your health if he grabs you.
** ''VideoGame/MegaMan5'' has the Grab Buster weapon, which steals health if it hits an enemy.
** ''VideoGame/MegaManX'' has Launch Octopus's E-Drain move, should you get caught by his CombatTentacles. ''VideoGame/MegaManX8'' has Dark Mantis's grab move that also drains your health.
** One of the special abilities of the Chain-Rod weapon in ''VideoGame/MegaManZero 2''.
* Edge from ''VideoGame/AtelierIris3GrandPhantasm'' can use Soul Eater when equipped with Jiptus Mana. Iris can summon the Faustus Mana to do the same, but since many of the enemies are immune to Faustus' trait...
* ''VideoGame/RuneScape'' has quite a few: Onyx-tipped crossbow bolts, the Saradomin Godsword and Saradomin/Guthix Bow, Guthan's armor set, blood spells, and the Soul Split curse.
* The Drain Rune from ''VideoGame/{{Suikoden}}'' series will heal its bearer's HP by 10% of the physical damage done to a single enemy.
* One of Beat's guns in ''VideoGame/EternalSonata'' restores his health as a percentage of damage dealt to the target.
* ''VideoGame/The7thSaga'' featured two spells, [=HPCatcher=] and {{M|anaDrain}}PCatcher, which transferred some of the targets HP or MP to the caster.
* Reave (Samara's bonus power) against organic enemies in ''VideoGame/MassEffect2''. Related is Energy Drain (Tali's bonus power), which does the same thing to synthetic enemies, though it restores shields instead of health. Both return as bonus powers in ''VideoGame/MassEffect3'' (Energy Drain again as one of Tali's powers; Reave as one of Kaidan's bonus powers), but Reave has been {{nerf}}ed so that it reduces damage taken instead of restoring health, making it no longer an example of this trope.
* ''VideoGame/CityOfHeroes'' has various life drain powers in its Dark themed sets. They range from Siphon Life, which heals a small amount of its damage dealt, to Dark Regeneration, which deals very minor damage in return for the strongest healing in the game.
* ''VideoGame/{{Heretic}}'' grants life-draining when the Tome of Power is used with the Gauntlets of the Necromancer. The combo can outheal even a [[DegradedBoss Maulotaur]]'s melee damage potential.
* Dark Rangers in ''VideoGame/{{Warcraft}} III'' can learn a Life Drain spell, which steals HP as long as it's continually channeled. Dreadlords can learn Vampiric Aura, which gives a draining effect to friendly melee units' attacks.
* ''VideoGame/WorldOfWarcraft'':
** Warlocks [[ExactlyWhatItSaysOnTheTin have this spell outright]]; several of their other spells, such as Corruption or Unholy Affliction, will grant a smaller percentage of health back per damage inflicted.
** Death Knights have Death Strike, an Unholy ability which heals them as it damages the enemy. Warriors have Bloodthirst, which has a similar effect, but without the Dark Magic lore explanation.
** Several new such abilities have been introduced in the Mists of Pandaria expansion. Death Knights can obtain Death Siphon(100% healing to damage dealt), Rogues can get Leeching Poison(10% of damage dealt), and Warlocks can get an Area of Effect version of their original Drain Life, called Harvest Life(restores a set percentage of the Warlock's own health, regardless of the damage it causes).
* Vampires in the ''VideoGame/HeroesOfMightAndMagic'' games gain 50% of the damage they deal on an attack back as HP.
** Certain spells and artifacts throughout the series give players the ability to grant all of their units this power.
* ''VideoGame/ChampionsOnline'' has "Lifedrain" as a rather potent such power for the Darkness power set. And when used by NPC's, it's backed up by the BadassBoast , "Your soul shall be mine!"
* The later ''Franchise/{{Castlevania}}'' games give you access to HP-draining abilities. The Succubus soul in ''Aria'' claims to let you drain HP from enemies with your attacks, but what actually happens is that every time your weapon hits any enemy or object (including all those destructible candles and things), you regain 5 HP. In ''Dawn'' the Succubus soul is a subweapon, with which Soma steps forward to bite enemies, drinking their blood to restore a healthy amount of his HP. The close range required to use this makes it hard to top yourself off without bumping into the enemies you're trying to drain.
** Before that, Alucard had Soul Steal in ''Symphony of the Night''. This was probably the easiest way to kill Beelzebub.
** ''Symphony of the Night'' also had the Mourneblade which restored 8 HP every time it hit an enemy. It's almost as useful as the [[GameBreaker Game Breaking]] [[InfinityPlusOneSword Crissaegrim]] (But a ''lot'' easier to find).
* ''VideoGame/WarhammerOnline'' has a large selection for a variety of classes - mostly healers, who get spells and tactics that heal when dealing damage such as a tactic granting a straight 25% of damage dealt returned as healing to your defensive target; specific abilities that deal damage and give back healing at 50%, 100%, 150% or [[GameBreaker 350%]] of the value of the damage dealt; or other, more esoteric methods (a [[{{Nerf}} removed ability]] for a [[CombatMedic Zealot]] was to place a debuff on an enemy that would last 60 seconds, and transfer life every 5 seconds). However, melée classes also have abilities to steal life and either bolster themselves or, in the case of tanks, the person they're guarding.
* Present in a few ways in ''VideoGame/DissidiaFinalFantasy'': The special ability granted to [[VideoGame/FinalFantasyII Firion and The Emperor]] in their [[SuperMode EX Modes]] is Blood Weapon/Blood Magic respectively, functionally identical--when they deal HP damage, they are both healed to an amount equivalent to their Bravery stat when performing the attack. [[VideoGame/FinalFantasyIV Kain's]] EX Mode in the prequel gives him access to a move named Lancet, which will heal Kain equivalent to the damage dealt.
** It should be noted that the Blood Sword equip in the original ''VideoGame/FinalFantasyII'' didn't actually function this way; back then, it caused damage proportional to the maximum HP of the target, and did NOT restore any of the wielder's health. It was only from ''VideoGame/FinalFantasyIII'' that the 'drain HP' effect was attributed to Blood weaponry that appeared in subsequent games.
** The summons Barbariccia and Kraken work kind of like this, as well--their effect is to swap the Bravery of the caster and the opponent, ideally crippling the opponent while giving the caster a hefty total of Bravery. However, considering that Barbariccia's effect activates upon the opponent using their own summon and Kraken has a countdown of significant length before taking effect, they also have the potential to [[HoistByHisOwnPetard backfire in a spectacular manner]].
* ''Videogame/FireEmblem:''
** The recurring spell [[MeaningfulName Nosferatu]] drains an amount of HP from the enemy to give to the user, as well as the [[http://fireemblem.wikia.com/wiki/Sol_(Skill) Sol ability]], which adds this quality to regular attacks. The first hit of the special skill Aether also does this, as [[http://fireemblem.wikia.com/wiki/Aether Aether]] is simply Sol and Luna put together.
** ''VideoGame/FireEmblemAwakening'' adds the [[http://fireemblem.wikia.com/wiki/Lifetaker Lifetaker]] skill, which gives a character a large HP boost, but only from killing an enemy.
** In ''VideoGame/FireEmblemGenealogyOfTheHolyWar'', Laquesis [[spoiler: and later her daughter Nanna]]'s personal weapon is the [[http://fireemblem.wikia.com/wiki/Earth_Sword Earth Sword]], which allows either of them to drain the HP of a selected enemy unit in order to restore their own. A similar weapon named [[http://fireemblem.wikia.com/wiki/Runesword Runesword]] appears in the GBA games and in ''VideoGame/FireEmblemPathOfRadiance''.
** In ''VideoGame/FireEmblemHeroes'', the Drain staff heals the user for 50% of the damage they deal.
* Speaking of ''Fire Emblem'', ''VideoGame/SuperSmashBros'' features Robin from Awakening, and one of his moves is Nosferatu, which traps opponents and deals damage at the same time that Robin is being healed.
* Appears in just about every ''Franchise/ShinMegamiTensei'' game, in the form of spells such as "HP Drain", "MP Drain" and "Leech" ("Meditation" in ''VideoGame/ShinMegamiTenseiIIINocturne'') (which simultaneously drains HP and MP). "Drain" in ''VideoGame/DevilSurvivor'' games works by draining both HP and MP, and "Life Drain" only leeches HP, but it gets more powerful as the user TurnsRed.
* In ''VideoGame/ScarfaceTheWorldIsYours'', Tony regains health when he kills enemies in [[SuperMode Blind Rage]].
* In ''VideoGame/SwordOfTheStars'' the System Killer will regain health if it survives or wins a tactical encounter in a system.
** In the sequel the [[EldritchAbomination Suul'ka]] feed on the LifeForce of other beings in order to heal themselves. Consuming fleets or entire planets of their enemies or followers.
* 'The extractor' from ''VideoGame/ProjectEden'' drains life energy to recharge your energy reserves, extra energy creates batteries for your team to use.
* [[Comicbook/DoctorStrange Shuma-Gorath]] has a throw that does this in his appearances in ''VideoGame/MarvelVsCapcom''; it started out being able to take all life but eventually was downgraded to only restore Shuma's 'red' life. ComicBook/{{Thanos}} also has a super that can drain life in his two appearances. [[Comicbook/XMen Omega Red]] could do this with his [[CombatTentacles Tentacle Throw]] special attack after grabbing an opponent.
* ''VideoGame/LeagueOfLegends'' has lifesteal and spell vampirism, which regenerate health based on attacks and magic damage respectively. These characteristics are mostly given through items, but Nasus has lifesteal and Morgana has spell vampirism as passive abilities. Beyond this a number of champions have spells that do this in various ways.
** Fiddlesticks Life Drain spell is a damage beam that restores a significant portion of the damage dealt as he channels it.
** Vladimir has two spells that drain health; Transfusion is a single target attack, Sanguine Pool involves sinking into a pool of blood and draining the health of those he passes underneath.
** Nunu's Consume deals a huge amount of damage to a non-champion target, and heals him.
** Skarner's Fracture deals damage and places a mark on those it hits. If he hits them before the marks wear off, he gets healed.
** Sion's Cannibalism temporarily gives him an extremely high life drain that heals all nearby allies instead of just him.
** Trundle's Agony steals health, temporarily increasing his maximum and decreasing the target's.
** Warwick's normal attacks heal him, the amount increasing as he hits the same target. His Hungering Strike also heals him for part of the damage done.
* In ''VideoGame/DarkSouls'', the curved greatsword Server and the Butcher Knife both grant a little health with every hit, and the Ring of the Evil Eye grants a little health with every kill.
* In ''VideoGame/BarkleyShutUpAndJamGaiden'', Barkley can learn Vampire Dunk which hits an enemy and heals Barkley for the amount of HitPoints damaged. Later there's a BonusBoss' skill Soul Consume, which combines this with a OneHitKill.
* In ''VideoGame/{{Wizard101}}'', this is one of the Death School's specialties - healing the caster for half the damage dealt to the opponent(s). They can also do this in reverse to heal themselves or allies, speed up the preparation for stronger spells, or even boost the attack power of spells.
* ''VideoGame/{{Skylanders}}'' has [[DemBones Chop Chop]], who gains the ability Vampire Blade upon leveling up. It allows his sword to steal health from enemies.
* In ''VideoGame/CommandAndConquerRedAlert3'', the Soviet faction is likely the only non-magical military faction to utilize this attack. Their Main Battle Tank, the Hammer, utilizes it as part of a secondary ability, and a faction-wide upgrade called "Grinder Treads" lets the Hammer, Apocalypse and other tracked vehicles recover health by running over enemy infantry (or tanks for the Apocalypse).
* [[CuteGhostGirl Pamela Ibis]] of ''VideoGame/ManaKhemiaAlchemistsOfAlRevis'' accomplishes this with her living teddy bear's "[[KissOfDeath kisses]]". At its highest level, the skill can drain life from the entire enemy party and transfer it to the player's active party members.
* The Drain Dive command in ''VideoGame/KingdomHearts3D'' restores a fraction of the damage you deal with it as HP. It's no substitute to a proper heal, however. There's also the Drain buff some dream eaters can bestow, which recovers a miniscule amount of HP per regular attack you land (Which can be fairly helpful when coupled with [[LastChanceHitPoint Once More and Second Chance]]).
* ''VideoGame/DungeonCrawl'' has weapons with Vampiric branding, which can heal you based upon the Negative Energy damage it does, and also "feeds" you with nutrition occasionally when you successfully drain something. Of course, this weapon also requires your character to be well-fed before they can actually wield it, and the Good gods Elyvilon, Zin and the Shining One forbid the use of such unholy weapons. There is a spell called VampiricDraining that also does this.
* In ''VideoGame/BrutalLegend'', Eddie can purchase a treatment for [[AnAxeToGrind The]] [[NamesToRunAwayFromReallyFast Seperator]] that returns a small portion of damage done by the weapon to Eddie as health.
* ''Franchise/TheElderScrolls''
** Two spell types available throughout the series (usually classed in the Destruction school of magic) are the Drain and Absorb spells, which can be used to drain/absorb a targets Health, Fatigue, or a specific Attribute. Drain spells cause a temporary reduction, do not confer it to the spellcaster, and the the reduction is restored after the spell wears off. Naturally, they cost less to [[{{Mana}} Magicka]] to cast than equivalent Absorb spells, which do confer whatever is drained to the spellcaster. Like most spells, these effects can also be enchanted into weapons.
** The Necromancer's Amulet is a recurring artifact item throughout the series. This is one of the many powerful abilities it grants the wearer.
** In ''[[VideoGame/TheElderScrollsVSkyrim Skyrim]]'', you can learn the Drain Vitality [[MakeMeWannaShout Shout]] (which absorbs the Health, Magicka, and Fatigue of the target) as part of the ''Dawnguard'' DLC.
* It's a Dark Side force power in ''VideoGame/JediKnightJediAcademy'' When leveled up to its max, you can make a roomful of stormtroopers drop dead while pushing your health ''beyond'' the normal maxes. Of course, the dark Force cult members known as Reborn don't hesitate to use it on you. Also, stolen health is harder to hold onto than less WhatTheHellHero-inducing manners: you'll take a bit more damage than you would otherwise, and the above-100 health slips away even if you don't take ''any'' damage.
* ''Videogame/{{Borderlands 2}}''
** All of the Moxxi weapons (which are generally earned as unique quest rewards) have the ability to heal you for a percentage of the damage dealt when you wield them. While for most of them it's generally roughly 2-5%, the Rubi has a 12% healing rate while the Grog Nozzle has a 65%. A [[DamageIncreasingDebuff slag]] variation of the weapon can result in some very potent healing and is somewhat necessary in higher difficulties. The "health gating" mechanic, which makes it impossible for enemies to deplete your entire health bar in one hit as long as you are over 50% health, has made the slag Rubi and Grog Nozzle examples of ComplacentGamingSyndrome, because they can make you literally unkillable with the right build. If you don't use either of these weapons then be prepared to have many people tell you that [[StopHavingFunGuys you're playing the game wrong]].
** Axton's Able skill means that any damage he deals will heal him for a few seconds. The effect doesn't stack with multiple hits, it just refreshes, but it also refreshes with every tic of DamageOverTime, meaning that incendiary, corrosive and shock weaponry are a constant source of health as long as there's something to shoot at, and even ''more'' so if Axton wields a Moxxi weapon while Able is active.
** Like in [[VideoGame/{{Borderlands}} the prequel]], Transfusion grenades explode into a cluster of projectiles that [[{{Roboteching}} home in on enemies]], deal damage (in ''BL2'''s case, with the grenade's elemental effect), and spawn heal orbs that home in towards the thrower or their allies.
** Maya's Sweet Release skill makes enemies that die in a phaselock release the exact same heal orbs of Transfusion grenades.
** Inverted with one of Gaige's Anarchy-build skills, which causes her to ''lose'' health on a kill, but regain shields...unless, of course, you have the Captain Scarlett and her Pirate's Booty DLC, which has a pickup that allows all kills to restore health. Gaige with both of these is basically unkillable against a large group of appropriately levelled enemies, particularly at 400 Anarchy stacks.
* ''VideoGame/PathOfExile'' uses the third type, returning some small percentage of physical damage as healing. There are also item properties that return a fixed amount of health on hitting an enemy. All claw-type weapons have an inherent life drain property and several claw-specific passive skills increase the amount drained.
* The ''VideoGame/{{Disciples}}'' franchise makes use of this ability on some of the Undead units (heals 50% of damage), and an Artifact (heals 25% of damage dealt). Some units in the sequel have an upgraded version of this ability that shares "excess" healing with the other units in the group.
* In ''VideoGame/GodEaterBurst'' each of Shio's attacks will restore a tiny amount of health, since she's [[spoiler:a humanoid Aragami and is technically ''eating'' bits of her enemies]]. One of the control units you can equip grants health regeneration during [[SuperMode burst mode]], which counts since you enter burst mode when your LivingWeapon bites a chunk out of the monsters, damaging them to give you power.
* ''VideoGame/{{Terraria}}'':
** There's a magic weapon that's actually called the Life Drain. It's a partial subversion, however, because it doesn't give you back life according to the damage dealt, but increases your the rate of your RegeneratingHealth when draining from enemies instead.
** The Vampire Knives from give you back a small portion of damage dealt as health. Thing is, they're thrown in huge spreads quite rapidly, and being a ''melee'' weapon, costs no mana or ammo.
** The Spectre Armor (with hood) set causes your magic attacks to drain a portion of life from enemies.
* An in-game cheat in ''VideoGame/TheMatrixPathOfNeo'' enables a type 1, possibly depending on how full the health is also a type 2, mode called ''Vampiric Draining'' which restores Neo's lost health as enemies are killed.
* The Broken Lords in ''Videogame/EndlessLegend'' maintain [[AnimatedArmor their bodies]] by draining [[ImportedAlienPhlebotinum Dust]] - from the environment or [[LifeDrinker from sentient beings]]. Their infantry unit, the Stalwarts, automatically heal if their target is killed within the same turn they are attacked, and their support unit, the Dust Bishops, can drain life from afar and use it to heal nearby allies.
* In ''VideoGame/XCOMEnemyUnknown'', the Ethereals are able to do this to their underlings. This also includes your {{mind control}}led soldiers.
** IN ''VideoGameXCOM2'', your own Psi Operatives get the ability to do this themselves via Soul Steal.
* [[VideoGame/BlazBlue Ragna the Bloodedge's]] [[ArtifactOfDoom Azure Grimoire]] requires living souls in order to function. In a case of GameplayAndStoryIntegration, his drive's name is called "Soul Eater" and any time he strikes an opponent with his drive attacks, he drains their health and adds it to his own.
* In ''VideoGame/FragileHearts 2: Shattered Dreams'', Bazur gains an HP Steal skill, but it's the worst of both worlds, dealing signficantly lower damage than his regular attack and not healing enough to be worth it.
* In ''VideoGame/{{Apotheon}}'', Nikandreos can equip the Mantis Sword, which heals him with every successful attack it makes.
* In ''VideoGame/MajinAndTheForsakenKingdom'', Ghosts will attack Majin by getting close, then sucking onto him and not letting go until Tepeu shakes them off. It is possible for several of them to do that at once.
* In ''VideoGame/ArxFatalis'', there's an area-of-effect spell literally called Life Drain, but it's of questionable usefulness. It will deplete your mana meter in seconds and works only in very small radius (roughly ONE step). You surely do not want to get that close to stronger enemies as they deal more damage than the spell heals, and weaker ones are pretty well killed without it.
* Anna Zirski from ''VideoGame/PhantasyStarII'' has the Fanbi technique, which drains some life from a foe to replenish hers.
* ''Videogame/{{Evolve}}'' has an unusual version with Slim's leech gun, which charges his heal burst with every successful hit.
* In ''Videogame/AkatsukiBlitzkampf'', the KnowledgeBroker Sai possesses a DeadlyGaze that lets him inflict several stat-changing afflictions on his foes. His Super tops it by not only giving all these "curses" to the target at the same time, but also draining him/her of life energy and adding it to Sai's own life bar. [[spoiler: It turns out to be a plot point, since this specific power has helped [[OlderThanTheyLook Sai]] to keep himself young and at top notch fighting form ''through at least five or six decades'', letting him become a major player in the story.]]
* In ''Videogame/EarthBound,'' [[GadgeteerGenius Jeff's]] HP-sucker machine does this to a single enemy, though it has a chance of failure each time it's used. Its souped-up version, the Hungry HP-sucker, does this to ''all'' enemies in a battle, though like the previous model it also has a chance of failure.
* [[NamesToRunAwayFromReallyFast Defiler]] demons in ''VideoGame/NexusClash'' can drain the life of their enemies to make delicious, nutritious, KarmaMeter-devastating [[FantasticDrug Blood Ice]] to heal themselves on demand.
* ''VideoGame/BioShock1'' and ''VideoGame/BioShock2'' both have Gene Tonics that heal Jack/Delta upon dealing damage with the wrench/drill. How a liquid that you inject into your body can tell that you're specifically holding a wrench is anyone's guess.
* In ''VideoGame/SecretOfEvermore'', an alchemist in Antiqua will teach you the Drain formula that will damage enemies and heal the Boy for an equivalent amount. Return to the same alchemist after acquiring both Diamond Eyes and he will teach you the more powerful Double Drain.
* Most of Ruh Kaan's moveset in ''VideoGame/{{Battlerite}}'' involves this. His normal attack, once charged, inflicts a {{Curse}} on an enemy that causes all subsequent hits to deal bonus damage and heal Ruh Kaan. His [[YouWillNotEvadeMe Claw of the Wicked]] absorbs health from enemies and pulls them closer, and his [[SpinAttack Reaping Scythe]] damages the enemies around him while healing him.
* ''VideoGame/MasterOfTheMonsterLair'': Some special weapon abilities can do this, as can the Lifesteal spell.
* The Owlhawk and Dracopent chest augments in ''VideoGame/TwentyXX'' have a chance of restoring health on a kill: Owlhawk procs on special weapon use, while Dracopent prefers standard weapon attacks. Owlhawk's arm augment also gives a chance of restoring energy on a standard weapon kill.