When you Summon/Advent a Cost 6 or higher Yellow Spirit, this Spirit card in your Hand/Removed Zone can be summoned by paying one cost.
Release: 2 [LV2][LV3] (When Attacks) Once per turn, this Spirit refreshes, and you may put two core from your Yellow Grandwalker Nexus to this Spirit. When you've done so, when the opposing Life is decreased by this Spirit's attack, send an opposing Life to the Reserve.
Release: 4 [LV3] (When Attacks) By putting four core from your Yellow Grandwalker Nexus to this Spirit, this Spirit is unaffected by opposing effects, and the opponent can't end the Attack Step through effects.