When revealed from the Deck by your Green effect, this card is treated as a "Worldswalker" family Brave.
[LV1][LV2] (When Deployed) Put two cores from the Void to your "Sky"-named Spirit(s)/Ultimate(s).
[LV2] Sky Seal (Your Turn) When you summon a "Sky"-named Spirit/Ultimate, you can put Soul Core from your Reserve to your Life. This effect can only be used once per turn.