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: (Astral Dragon/Zombie/Evil Shadow) (Core Charge via Summon/Advent only once per turn)
◆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: 1 [LV1][LV2] Flash -(Your Attack Step) - (Send one core from this Nexus to the Void) During this turn, one Astral Dragon/Zombie/Evil Shadow family Spirit you control gets +5000 BP.
Grand Field [LV2] (Your Attack Step) When your "Wurm"-named Spirit destroys an opposing Spirit/Ultimate by BP comparison, send an opposing Life to the Reserve.