It creates no detectable waste. It does not grow or shrink. It does not reproduce. It only consumes.
Ultravore remains the same weight, no matter how much matter it consumes. It was weighed before and after eating several tons of depleted uranium, with no change in weight.
Ultravore allegedly works for The Custodian.
In the News
Hanford Site engineers begin feeding radioactive chemical waste to Ultravore.
The Custodian lets Ultravore live in exchange for thirty percent of the energy harvest from whatever Ultravore consumes.