Classic X-Men (1986) #21
Trying to absorb life force energy from the X-Man Storm, Karl Lykos has transformed once more into Sauron!
Published: 5/1/1988
- Arthur Adams, penciller (cover)
- Terry Kevin Austin, inker
- John Bolton, penciler
- Kieron Dwyer, penciler
- Chris Claremont, writer
- Glynis Oliver, colorist
- Petra Scotese, colorist
- Tom Orzechowski, letterer