Minor Release: 1 - [LV1][LV2][LV3] (When Attacks) Once per turn, by sending one core from your "The Grandwalker Osiris" to the Trash, immediately activate its [LV1][LV2] Grand Skill treating core as having been sent to the Void.
[LV2][LV3] (When Attacks) While you control a Nexus, destroy an opposing Spirit/Ultimate with only one core on it.