He is a huge demon clad a royal garb; he has a white beard and a additional second face on his stomach. The huge demon king will walk back and forth across the arena slowly, blasting fire streams and lasers from his mouths. Frostfackel makes short work of him, and Freudenzwinger, which can completely devastate him in one shot. Weißteufel is also useful against him, as it can slow down all of his movements and attacks.
- In the C76/Web Trial version, Astaroth closely resembles his counterpart in the Ghosts n' Goblins games. In later versions of ~Freudenstachel~, however, his garb is recolored purple and his hair and beard now resemble that of Santa Claus'.