Astrals were rare, even on the inverted world, and individuals with their abilities were permitted significant privileges.
[LV1-LV2] During Either Attack Step
When one of your opponent's spirits is returned to their hand or their deck, this spirit gains Astral during this turn: Astral (This spirit cannot be blocked by your opponent's spirits without Astral.)
[LV2]
Armor: White, Green, Blue (This spirit cannot be selected by the effects of your opponent's spirits, nexuses, or magic of the specified colors.)