Life Conversion

The power to convert one's life into power/energy. Sub-power of Lifespan Manipulation. Variation of Double-Edged Power. Not to be confused with Life-Force Conversion.
==Also Called==
* Life Energy/Force Conversion
* Lifespan Cost
==Capabilities==
The user can fuel their powers and abilities by converting life-force and/or lifespan into power, generally their own.
==Applications==
* Contract Bestowal; often the cost of a contract/deal
* Life-Force Release
* Life Reduction
* Power Overdrive
* Sacrifice Empowerment
* Soul Splitting
==Associations==
* Double-Edged Power
* Life-Force Conversion
* Lifespan Manipulation
==Limitations==
* Usage generally has drastic consequences, such as exhaustion, shortened lifespan, or outright death.
==Known Users==
See also: Cast from Lifespan and Cast from Hit Points
* Mozenrath (Aladdin: The Series)
* Aang (Avatar: The Last Airbender/The Legend of Korra)
* Cordelia Chase (Buffy the Vampire Slayer/Angel)
* Sakura Kinomoto (Cardcaptor Sakura)
* Chrono (Chrono Crusade)
* The Sons of Ipswich (The Covenant (2006 film)
** Caleb Danvers 
** Pogue Parry 
** Reid Garwin
** Tyler Simms
** Chase Collins
* Kid Psycho (DC Comics)
* Humans with Shinigami Eyes (Death Note)
* King Piccolo (Dragon Ball series)
* Toronbo (Dragon Ball Super)
* Users of Supervillain Mode (Dragon Ball Xenoverse)
* Makarov Dreyar (Fairy Tail)
* Users of the Eyes of Etro (Final Fantasy XIII-2)
* Azura (Fire Emblem Fates)
* Edward Elric (Fullmetal Alchemist)
* Spawn (Image Comics)
* Tsunade (Naruto)
* Monkey D. Luffy (One Piece)
* Emporio Ivankov (One Piece)
* Jason Scott (Power Rangers)
* Vash the Stampede (Trigun)
==Known Objects==
* Vampire Killer (Castlevania)
* Azura's pendant (Fire Emblem Fates)
* Energy Steroids (One Piece)
==Gallery==
Ttt003.jpg|Mozenrath's (Aladdin: The Series) usage of his magic gauntlet has drastically reduced his lifespan.
Aang_in_the_iceberg.png|Aang's (Avatar: The Last Airbender/The Legend of Korra) 100-year usage of the Avatar State while frozen cost him most of his lifespan, leading to his death at the biological age of 66.
CordeliaVisions.jpg|As humans are not meant to possess the power of the Powers That Be's visions, Cordelia Chase (Buffy the Vampire Slayer/Angel) suffered a shortened lifespan and extensive brain damage with each one...
Angel311_646.jpg|...only managing to survive when she accepted Skip's offer to become a half-demon.
Sakura Card conversion.gif|Sakura Kinomoto (Cardcaptor Sakura) is left physically drained by the effort of converting Clow Cards into Sakura Cards, to the extent attempting to convert eight at once leaves her exhausted.
Chronicles - Simon Belmont - 01.jpg|The Vampire Killer (Castlevania) can only be properly used by the Belmont Clan; any wielder who is not a direct descendant will have their life force drained away.
Chrono_True_Form.jpg|Due to their contract, Chrono (Chrono Crusade) is powered by Rosette Christopher's life force, shortening her lifespan to the extent she doesn't expect to make it to age 30.
Misa_Eyes.png|Misa Amane (Death Note) made a deal to acquire Shinigami Eyes, gaining the power to identify the names and lifespans of humans at the cost of half of her remaining lifespan.
King_Piccolo_Full_Power.jpg|King Piccolo (Dragon Ball series) unleashing all of his life force to reach his full power, at the cost of shortening his lifespan.
Eternal Dragon Toronbo (Dragon Ball Super manga).jpg|Through a wish, Toronbo (Dragon Ball Super) was able to make Granolah the strongest warrior in Universe 7 at the cost of most of his lifespan, leaving him with three years left to live...
Zombie_Gas.webp|...with Gas suffering even worse from a similar wish, his explosive power burning through his cells and reducing him to a decrepit, rotting zombie.
Azura sings.gif|Azura's (Fire Emblem Fates) pendant enables her to imbue her songs with magical effects at the cost of some of her lifespan...
Azura_Birthright_Cutscene.png|...and runs the risk of killing her outright.
Philosopher_Stone_Ed.png|By channeling power from his own soul, Edward Elric (Fullmetal Alchemist) turns himself into a human Philosopher's Stone...
Ed_Impaled.jpg|...allowing him such feats as healing a fatal impalement wound, at the cost of some of his lifespan.
Gear_Second_by_Monkey_D._Luffy.gif|Each time Monkey D. Luffy (One Piece) uses Gear Second, he shortens his life due to the strain it causes his body.
Emporio_Healing_Hormones.gif|Emporio Ivankov (One Piece) used Emporio Healing Hormones to boost Monkey D. Luffy's immune system, allowing him to survive Magellan's poison at the cost of ten years of his lifespan.
Energy_Steroid.PNG|Energy Steroids (One Piece) increase the user's power exponentially at the cost of their lifespan, accelerating their aging per pill...
Hody_Jones_overdosed_on_Energy_Steroids.png|...with Hody Jones abusing them to the extent he was left aged and decrepit, unable to even stand up without a walking cane.
HZ2.jpg|Jason Scott (Power Rangers) had his life drained while acting as the Gold Zeo Ranger, as those particular Ranger powers weren't meant for humans.
Vash_Angel_Arm.jpg|Vash the Stampede's (Trigun) Angel Arm is powered by a portion of his lifespan, shortening it with each use...
Vash hair.jpg|...signified by his once-blond hair gradually turning black.
Platinum_Frieza_full.png|The Supervillain transformation (Dragon Ball Xenoverse 2) shaves off the user's life in exchange for power, continually increasing their power as long as they remain in the state.
Spawn power meter.jpg|Hellspawn like Al Simmons (Spawn/Image Comics) shorten their lives, and thus their remaining time on Earth, by using their necroplasmic power reserves.
Category:Powers
Category:Supernatural Powers
Category:Spiritual Powers
Category:Power Sources
Category:Life-Based Powers
Category:Transmutation