The X-Men take an injured Havok to be treated by one of Xavier's old buddies, Dr. Karl Lykos; Lykos is an energy vampire and drains mutant life energy from Havok, turning himself into the evil Sauron; Angel takes off to investigate the flying dinosaur and is hypnotized by Sauron's powers.
Printed: Sept 1969
Writers: Roy Thomas
Art: Neal Adams and Tom Palmer
Cover: Neal Adams
- 1st appearance of Sauron
