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: (Diva) (Core Charge via Summon/Advent only once per step) ◆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, place one core from the void onto this Nexus.
[LV1][LV2] This Nexus' symbol is also treated as Yellow.
Grand Skill: 2 [LV1][LV2] Flash (Your Attack Step) - (Once per turn, send 2 cores from this Nexus to the Void) Draw a card. Then refresh a "Diva" family Spirit you control.
Grand Field [LV2] When your "Diva" family Spirit's effect would summon a Spirit card without paying the cost, effects of opposing Spirits don't activate.