Solar #17

Seed of Destruction, Part 3: On the Dark Side – Solar goes to destroy the Spider Alien Moonbase, only to learn that the aliens have summoned Aric there to take his X-O Armor. With the Armor’s Seed, they can grow a starship and return to their Homeworld. Seeing an opportunity to follow the aliens and destroy their Homeworld, Solar battles X-O, hoping Aric will realize that giving up the Seed now could eventually result in the final defeat of the Spider Aliens.

cross-over story:
Part 1 – X-O #11
Part 2 – X-O #12
Part 3 – Solar Man of the Atom #17
Part 4 – X-O #13