GURPSよろず

　Giant leeches, striges, vampires, and many other traditional and Bmovie monsters suck the life from their victims. “Psychic vampires” and evil spirits usually dispense with the traditional bite. Creepy supers sometimes even have ranged life-stealing abilities.
　To use 「吸奪」, you must maintain ongoing contact with your victim; a brief touch isn’t enough. In combat, you must grapple or pin him - which is trivial if he’s unconscious or otherwise helpless. Out of combat, options include a long handshake, hug, or more intimate embrace.
　While you maintain contact, each level of 「吸奪」 lets you drain 1 HP per second from your victim. You heal 1 HP per full 3 HP you steal. You can’t raise your HP above normal, but you can continue the drain without healing yourself. The drain ends instantly if you release your victim, or if he breaks free or dies. If he survives, the stolen HP heal like any other injury.
　「吸奪」 1 costs 25 points; successive levels cost 4 points apiece. For example, to drain 10 HP per second requires 「吸奪」 10, which costs 25 + 9 × 4 = 61 points. At the GM’s option, points of drain convert to dice as described under Modifying Dice + Adds (p. B269); e.g., 4 HP become 1d, 7 HP become 2d, and 10 HP become 2d+3.
　「吸奪」 only affects living beings. It can’t steal HP from machines or inanimate objects. However, the GM may allow a variant ability - 「吸奪」 (Mechanical) - that only affects machines. The point cost is identical.
With Steal HT, this could represent the ability of “gremlins” to cause machines to fail and break down.
Steal FP is off limits.

　To work at a distance, 「吸奪」 requires Malediction 1 or 2 (+100% or +150%) on top of 「離れた地点に効果」 (+40%). Roll the Quick Contest of 意志力 for Malediction every second (once per turn, in combat). Each victory lets you drain 1 HP per level. You can only affect one victim at a time. A few 特別増強 are common:

　Accelerated Healing: You heal 1 HP per HP stolen. Your attack doesn’t harm your victim any faster than usual, but it heals you more quickly.+25%.

　Hazard: You can combine Steal FP with one of the modifiers under Hazard (p. B104) to steal dreams (Missed Sleep), warmth (Freezing), and so on. Treat the stolen FP as if they were lost to that hazard. Any FP or HP you gain can heal your losses to the same hazard.

　Heals FP: Every 3 HP you drain restores 1 HP or 1 FP. You can’t raise FP above normal. +60% if you can choose whether to heal HP or FP; +30% if you only heal FP when healed to full HP.

　Steal (Other Score): You steal 体力 ,敏捷力, 知力, 生命力, or FP instead of HP. 体力 theft reduces BL and damage. 知力 drain lowers 意志力 and Per. 体力 and 生命力 losses don’t lower HP and FP, though.
Attribute losses affect skills based on those scores. Drain occurs at the rate of 1 point per level of 「吸奪」. It ceases if the victim’s score reaches 0.
Regardless of what you steal, you heal 1 HP (1 FP, with Heals FP or Only Heals FP) per 3 points drained. Your victim regains lost scores at the rate he recovers FP. Cost depends on what you drain: -25% for FP (or +50%, if you drain HP when your victim has 0 FP), +100% for ST or HT, or +300% for 敏捷力 or 知力. If you can steal more than one of these, buy 「吸奪」 several times with different enhancements. To use these simultaneously, add Link.

　Steal Youth: You permanently age your victim instead of stealing HP.
Each second of draining ages him by months equal to your level. See Age and Aging (p. B444) for long-term effects, and note that 「年をとらない」subjects are immune. You don’t heal, but may grow a month younger per two months stolen, if desired. This is incompatible with other special modifiers. +300% if victims regain their youth when you die; +450% if truly permanent.

　Leeches who must touch their victim’s skin have the Contact Agent limitation (-30%). The traditional vampire has 「血液感染」 (-40%), and must bite his victim; 「鋭い歯」 (p. B91) are indispensable. These options and the 「離れた地点に効果」 option discussed above
are mutually exclusive. An additional limitation is specific to 「吸奪」:

　Only Heals FP: You can’t heal HP.
You can only use the HP you drain to restore missing FP, as described for Heals FP. This is incompatible with Heals FP. -20%.

　If the goal is just to reduce the victim’s HP, FP, or attributes, consider 「特殊攻撃」 (p. 53) with Malediction, or Affliction (p. 39) with Attribute Penalty. If healing is what’s important, take Regeneration (p. 70), or Healing (p. 51) with Affects Self.

　If draining others’ HP increases your powers, buy 「吸奪」 plus a set of abilities with Trigger, Leeched HP. Victims are “Common” and using 「吸奪」 is illegal in most worlds, so this is a -30% limitation. Alternatively, buy an Energy Reserve (p. 119) with Special Recharge, fill it up using 「吸奪」, and use it with the powerboosting stunts in Chapter 4. To gain powers by stealing them from others, take Neutralize (p. 97) with Power Theft.

　「吸奪」 fits many supernatural powers.
It’s the definitive ability of socalled “psychic vampires,” who might have their own Vampirism power. It’s also suitable for sinister divine and moral powers, and for spirit powers that command “astral vampires.” With appropriate limitations, it could instead belong to a macabre biological power that lets the user derive sustenance from blood . . . like the classic vampire of Gothic horror.
Talent adds to all rolls to affect the target - including attack rolls to touch victims and 意志力 rolls to use 「吸奪」 with Malediction.