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: ("Blade Beast", "Worldswalker", "Avatar" & Cost 3 or higher)" ◆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) - (Send three cores from this Nexus to the Void) Exhaust an opposing Spirit/Ultimate.
Grand Field [LV2] (Your Attack Step) When your "Blade Beast" family Spirit's attack decreases the opposing Life, send an opposing exhausted Spirit/Ultimate to the bottom of the Deck.