Dark Gaia’s fully matured final form and the climactic boss of the Sonic the Hedgehog series video game Sonic Unleashed, emerging after the ancient entity regains its power and casts the planet into darkness. A colossal, multi-eyed force of destruction, it battles Super Sonic and Chip’s Gaia Colossus with shields, tentacles, and energy attacks before being defeated and sealed back inside the planet.
