X-Men Legacy (2012) #6

The groundbreaking first arc of X-MEN: LEGACY ends here! Discovering a plot to assassinate one of the X-Men that he inadvertently put into motion, Legion infiltrates the Jean Grey School for Higher Learning...but after their last run-in, will the X-Men accept his help? Meanwhile, Legion learns that the demon lurking in the depths of his psyche has a familiar face...