Damage Syphon

Damage Syphon (ダメージアスピル), also called MP Rage, is an ability introduced in . It allows the user to recover their ability-fueling gauge when damage is taken. Equipping multiple copies increases the effect. The greater the damage, the greater the recovery.

Mechanics
In Kingdom Hearts, MP Rage is a that restores MP when damage is taken. It costs 2 to equip, 3  in Kingdom Hearts Final Mix.

In Kingdom Hearts II, MP Rage is a that restores MP when damage is taken, as long as the user is not in MP Charge. The MP recovered is based on the formula (HP damage taken ÷ maximum HP × 100 × no. equipped). It costs 3 AP to equip.

In Kingdom Hearts Birth by Sleep, Damage Syphon is a that restores the Focus Gauge when damage is taken. It can be equipped once.

In Kingdom Hearts 3D: Dream Drop Distance, Damage Syphon is a that restores the active Spirits' Link Gauges by 0.5% when damage is taken. It can be equipped once. The Link Accelerator ability increases the amount of Link Gauge filled by 0.1% per level.

In Kingdom Hearts III, Damage Syphon is a that restores MP when damage is taken, as long as the user is not in MP Charge. The MP recovered is based on the formula (HP damage taken ÷ maximum HP × 100 × no. equipped). It costs 3 AP to equip.

Kingdom Hearts

 * Sora learns MP Rage at Level 33 and Level 51 with the Dream Rod, Level 36 and Level 66 with the Dream Shield, and Level 57 and Level 66 with the Dream Sword.
 * Sora learns MP Rage at Level 42 and Level 75 with the Dream Rod, Level 63 and Level 87 with the Dream Sword, and Level 90 and Level 100 with the Dream Shield.
 * Donald Duck learns MP Rage at Level 20 and Level 40.
 * Donald Duck learns MP Rage at Level 19 and Level 49.
 * Goofy learns MP Rage at Level 39 and Level 45.
 * Goofy learns MP Rage at Level 39 and Level 57.
 * Jack Skellington has MP Rage as a default ability.
 * Ariel has MP Rage as a default ability.
 * Beast has MP Rage as a default ability.

Kingdom Hearts II

 * Sora learns MP Rage at Level 41 with the Dream Shield, Level 53 with the Dream Rod, and Level 99 with the Dream Sword.
 * Sora learns MP Rage after leveling Wisdom Form to level 4.
 * Limit Form has MP Rage as a default ability.
 * Donald Duck learns MP Rage after defeating Demyx at Olympus Coliseum.
 * Goofy learns MP Rage after defeating Shenzi, Banzai, and Ed in the Elephant Graveyard.
 * Auron has MP Rage as a default ability.
 * Simba has MP Rage as a default ability.
 * The Hidden Dragon has MP Rage as its equipment ability.
 * The Shaman's Relic has MP Rage as its equipment ability.
 * The Save the King+ has MP Rage as its equipment ability.
 * The Save the Queen+ has MP Rage as its equipment ability.
 * The Nobody Guard has MP Rage as its equipment ability.
 * The Shadow Archive+ has MP Rage as its equipment ability.

Kingdom Hearts Birth by Sleep

 * Damage Syphon can be attached to a or  Command recipe through Command Melding, either randomly or by applying a Soothing Crystal.

Kingdom Hearts 3D: Dream Drop Distance

 * Sora and Riku can purchase Damage Syphon from the Ducky Goose Ability Link for 150 Link Points.
 * Sora and Riku can purchase Damage Syphon from the Thunderaffe Ability Link for 300 Link Points.
 * Sora and Riku can purchase Damage Syphon from the Ursa Circus Ability Link for 300 Link Points.

Kingdom Hearts III

 * Donald Duck learns Damage Syphon after defeating the Nobodies at the.
 * Rapunzel has Damage Syphon as a default ability.
 * The Save the Queen has Damage Syphon as its equipment ability.
 * The Save the Queen+ has Damage Syphon as its equipment ability.
 * The Save the King has Damage Syphon as its equipment ability.
 * The Save the King+ has Damage Syphon as its equipment ability.
 * The Fire Chain has Damage Syphon as its equipment ability.
 * The Blizzard Chain has Damage Syphon as its equipment ability.
 * The Thunder Chain has Damage Syphon as its equipment ability.
 * The Dark Chain has Damage Syphon as its equipment ability.
 * The Aqua Chaplet has Damage Syphon as its equipment ability.
 * The Moon Amulet has Damage Syphon as its equipment ability.
 * The Star Charm has Damage Syphon as its equipment ability.
 * The Cosmic Arts has Damage Syphon as its equipment ability.

Notes and references
Vaillance (Capacité) Esprit