Lava Boss is a cut boss that was set to appear in Shadow Warrior Classic.
Lava Boss looks as if made entirely of lava hence the name. Two big horns and multiple smaller ones are one his head and shoulders. He possess one giant eye and a belt with the same symbol seen on gates in the final game.
- Lava Boss appears as a cameo in the final game on a Godzilla movie poster, under the name of "Earth-Eater".