The epic saga of Legion reaches its big finish, guest-starring the allies he´s made along the way - and not all of them will emerge unscathed! One of Legion´s most troublesome personalities threatens to annihilate an alien species, and S.W.O.R.D. director Abigail Brand is on the case - but will she be able to work with Legion to solve this extraterrestrial conundrum? Legion prepares for a final showdown with the monster in his mind that wears his deceased father´s face, but the demonic Professor X has escaped into the real world. What price will Legion pay to stop him from razing the Earth? And prophesied to stop Legion, will Young X-Man Blindfold take matters into her own hands and extinguish her first love? One thing´s for sure: As this groundbreaking series concludes, anything is possible!