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: (Kamen)
◆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.
Grand Field - [LV1][LV2] When your "Kamen" family Spirit(s) is destroyed, by sending two cores from this Nexus to the Void, one Spirit remains on the field, exhausted. This effect can only be used 99 times per game.
Grand Skill: 3 [LV2] Flash - (Either Attack Step) (Once per turn, send three cores from this nexus to the void) You can use one "Change" from your Hand, without paying the cost.