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: (Lord/Vassal & 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) - (Once per turn, send three cores from this nexus to the void) You can return a "Vassal"/"Lord" family Spirit card from your Trash to your Hand. When you've done so, return an opposing Spirit/Ultimate to the Hand.
Grand Field [LV2] (Your End Step) If your opponent has at least six cards on their Hand, they discard cards from their Hand until they only have four.