Xavier traces his history and the history of the X-Men to the core. What he finds will shock you! And what do Rogue, Gambit, and Sebastian Shaw have to do with it? Then, Sinister's machinations finally come to a head, after decades of preparations. Can Xavier discover the secrets to the plot against his mind before he loses his sanity? Or will he become another in a long line of victims? Either way, he just may learn things about his past he'll come to regret! Guest starring Sebastian Shaw and the deadliest gator in the swamp, Gambit! Collects X-Men: Legacy #213-216.