Collects Uncanny X-Men (1981) #301-306, X-Men (1991) #24-25, X-Men Unlimited (1993) #2, Wolverine (1988) #75, Gambit (1993) #1-4 And X-Men: Survival Guide To The Mansion. Magneto tears Wolverine's world apart! As the terrifying Legacy virus spreads among mutantkind, the X-Men suffer a truly heartbreaking loss. Then, when the messianic madman Magneto returns, offering mutantkind safe haven aboard his asteroid home, which longtime X-Man will join his Acolytes - and why? Secrets of Magneto's life are finally revealed as the villain's threat to humanity grows - but when the X-Men face him in a final showdown, both Magneto and Professor X will do the unthinkable! Plus: The Upstarts target Forge! A techno-organic threat rises! Gambit takes center stage in a solo tale that sheds new light on the New Orleans Thieves and Assassins Guilds! And peer deep into the inner workings of the X-Mansion!