X-Men Vol.2 #25 (Gold Edition)
Magneto has gotten really out of hand, so out of hand that Professor X decides to put him in a vegetative state. He succeeds, but not before Magneto rips out Wolverine's adamantium skeleton.
Printed: Oct 1993
Writers: Fabian Nicieza
Art: Andy Kubert and Matthew Ryan
Cover: Andy Kubert and Matthew Ryan