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: (Dark Artes/Primal & Cost 3 or higher) (Rebirth Nexus) ◆When you Summon/Advent/Deploy a target Spirit/Nexus, you can 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, you can send the top three cards of your deck to the trash. For each target card among them, place one core from the void onto this Nexus.
[LV1][LV2] This Nexus' symbol is also treated as Yellow.
Grand Skill: 3 [LV1][LV2] (Your Main Step) (Once per turn, send three cores from this nexus to the Void) By discarding two cards from your decktop, draw one card from your deckbottom.
Grand Field [LV2] (Your Attack Step) All your originally Cost 6/7/8 "Dark Artes" family Spirits have two Yellow symbols and can't be blocked.