A being that converts all living things into nothingness. It can freely change its form and has erased countless life forms across the universe.
Fifteen years ago, it battled Ultraman X and was cast into the sun, but it returned.

When traveling at high speeds through space, it takes on a spherical form, but upon arriving on Earth, it transforms into a humanoid shape.
It possesses the Monster Absorption Discharge: Dark Thunder Absorption, allowing it to absorb other monsters. Additionally, it can fire beams from its back.