This Nexus can only be affected by effects that specify "Grandwalker Nexus". Core can only be placed on this Nexus through the effect of "Core Charge" or effects that specify "Grandwalker Nexus", also, core on this Nexus can not be moved except by effects that specify "Grandwalker Nexus".
Core Charge: ("Evil Shadow" / "Galaxian" / "Supreme Hero" & Cost 3 or more) ◆When you summon/advent a target Spirit put one core from the void onto this Nexus. ◆When this Nexus is deployed, if you do not control a Nexus with the same card name as this card, send the top three cards of your deck to the trash. For each target card among them, put one core from the void onto this Nexus.
Grand Skill: 3 [LV1][LV2] Flash - (Either Attack Step) (Once per turn, send three cores from this Nexus to the Void) Set one Spirit card with a Burst effect from your Trash.
Grand Field [LV2] (Your Turn) Give all your "Supreme Hero"/"Galaxian" family Spirits the following effect: Destructive Curse - (When Destroyed by the Opponent) By sending one opposing Life core to the Trash, this Spirit remains on the field, refreshed.