Regen

Regen (リジェネ) is an ability introduced in Kingdom Hearts Chain of Memories. It allows the user to grant the status to allies or themselves.

Mechanics
In Kingdom Hearts Chain of Memories, Regen is an enemy card effect that costs 40 CP to add to the deck and lasts for ten uses. When the user's HP is critically low, Regen restores more HP.

In Kingdom Hearts Birth by Sleep, Regen is a Dimension Link ability.

In Kingdom Hearts Re:coded, Regen is an Overclock ability.

In Kingdom Hearts 3D: Dream Drop Distance, Regen is a magic command that gives one ally the Regen status for 20 seconds. b° 0° 0° 0° 0° 0° 0° c°

Kingdom Hearts Chain of Memories

 * The Oogie Boogie enemy card has Regen as its effect.
 * The Black Fungus enemy card can randomly activate Regen.
 * The Darkside enemy card can mimic an enemy's Regen.

Kingdom Hearts Birth by Sleep

 * The has Regen as its level 2 ability.

Kingdom Hearts Re:coded

 * The Lady Luck ⑤ has Regen as a level 3 Clock Ability.
 * The Oathkeeper and its upgrades have Regen as a level 2 Clock Ability.
 * The Lionheart 3° and its upgrades have Regen as a level 3 Clock Ability.
 * The Ultima Weapon 〉 and its upgrades have Regen as a level 3 Clock Ability.

Kingdom Hearts 3D: Dream Drop Distance

 * Tama Sheep learns Regen at level 22.
 * Yoggy Ram learns Regen at level 22.
 * Pegaslick learns Regen at level 16.
 * Chef Kyroo learns Regen at level 10.
 * Electricorn learns Regen at level 12.
 * Ducky Goose learns Regen at level 18.

Other appearances
In Kingdom Hearts 358/2 Days, Cura has the same effect as Regen.

Origin
Regen is a recurring status in the Final Fantasy series. Characters affected by Regen recover some of their HP at set intervals. It is often applied using the Regen spell.