The Blargh is a creature found in the bellies of giant worms. When one worm is eaten by another the imps inside the worms battle for supremacy. The Blargh is essentially used as a living tank in these battles.

The Blargh is immune to magic and possesses significant strength due to its size[1].

Richard and Cale encounter it after the worm they are inside of is eaten by another. Richard decides to fight it by himself and gets knocked down by a punched before getting up[2]. Afterwards, Richard sends it flying with an unknown attack and with enough force to go through the worm and kill a sand dragon on impact which also killed the Blargh[3].