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: ("Machine" / "Armed Machine" / "Dragon Emperor"/"Worldswalker"/"Avatar" & Cost 3 or more) " ◆When you summon/advent a target Spirit/Brave, 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 - (Your Attack Step) (Once per turn, send three cores from this Nexus to the Void) During this turn, one Machine"/"Armed Machine"/"Dragon Emperor family Spirit/Ultimate you control can't be blocked.
Grand Field [LV2] When your "Machine"/"Armed Machine" family Spirits/Ultimates are destroyed by effects, by paying one cost, they remain on the field, exhausted.