The X-Men battle the Inner Circle, defeating Rat. They discover a machine for tracking mutants, similar to Cerebro and an addition a room where Yui is containing her and Xavier's son Takeo who is an unusually strong telepath/empath with an uncontrollable power to warp reality, which Mastermind intends to use to conquer humanity. Yui hired the U-Men to obtain extracted mutant tissue in order to do her research in the hopes of improving Takeo's condition. The Inner Circle's White Bishop Neuron kills Riko and Kōichi. Mastermind awakens Takeo while Marsh and Neuron entrap the X-Men. Meanwhile, Xavier manages to escape the void.