This card in your hand is unaffected by opposing effects.
[LV1][LV2] (When Summoned) Put two cores from the Void to this Spirit. Also, when summoned during (Your Attack Step), also put two cores from the Void to a "HeroBeast" spirit.
[LV2] (Your Attack Step) When your Cost 8 Green Spirit Advents on this Spirit, you can pay two cost to summon this pre-Advent card.