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: ("Machine Beast"/"Ten Crown"/"God-King" & 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, place 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) Refresh one "Machine Beast" family Spirit you control. Also, when that's a "Ten Crown"/"God-King" family Spirit, during this turn, it is unaffected by opposing Spirits/Nexuses effects.
Grand Skill: 5 [LV2] Flash (Either Attack Step) - (Send five core from this nexus to the void) Return an opposing Spirit/Ultimate to the bottom of the Deck.