X-Factor (1986 1st Series Marvel) #42

"All that Glitters...!" Part 2 of 2. Guest-starring Alchemy. Story by Louise Simonson. Art by Arthur Adams and Al Milgrom. Cover by Arthur Adams. X-Factor must use all their skills to defend an innocent boy from becoming a slave to a pack of trolls. A boy whose own mutant abilities to alter the atomic structure of matter have just begun to manifest themselves.