That's one reason i didn't like X6. IF they had left it at 3 YEARS like it said at the end of X5, rather than 3 WEEKS, i would have believed it a bit more. Zero's a beast but he was blown in half and had a hole through his chest. It would have taken much longer than 3 weeks to get himself repaired without help.
Yeah, forgot about that. Well, it may not have been isoc that repaired him, but Gate did find part of Zero and made the Nightmare from it....it's been too long since i played. I'll have to go back and play again.