Armor Digivolution (アーマー進化, Aamaa Shinka) is a special ability that debut in CB05. It is an official term from a mechanism in the Digimon franchise. Spirits with this effect have the following text:
- Armor Digivolution: Condition - (Start Of Your Attack Step) By returning one Condition you control to your hand, and paying one cost, this Spirit card in your hand can be summoned.
This ability is not limited to color and made exclusively for Spirits from Armor family. This ability allows Armor family Spirits to be summoned easily with a fairly low condition, which may help the player to get a head start early game.