That is Mana, the forgotten element, corresponding to the Aether in Plato's theory of the five elements. Unlike the other four elements, which correspond to four Lord, Textor Fati Mnemosyne rule over Mana.

即魔力 ，对应柏拉图五元素论中的以太。与其他四元素对应四位世界之主 不同，魔力由编织者 谟涅摩绪涅 掌管。