Reborn in the Ultraman universe, Apollo spent thousands of years waiting for the System to activate. Fortunately, once it did, he gained an overpowered "Trait." Killing monsters earned him experience points and let him level up quickly. As Apollo gradually became invincible, he came to be known as the God of "Light." Zod, Yapool, Belial, the Golden Seijin, and all the other enemies who sought to conquer the Land of Light would face Apollo's punishment.
Legends of Apollo spread across the various Ultraman universes: the Super Ancient Universe (Tiga, Dyna), the Breath of the Earth Universe (Gaia, Agul), the Life Coexistence Universe (Cosmos, Justice), the O-50 Universe (Orb, Ro...
Pretty good, original Ultraman, written about Showa, rare [laughs]