Retching Horror can be found in the following locations: All over the surface of Upper Roshamuul and Nightmare Isles.

Retching Horror has 5300 hitpoints. It is immune to earth damage. It is strong against physical, fire, ice, and death damage. It is weak against energy damage. It can neither be summoned nor convinced.

Retching Horror yields 4100 base experience points. Its loot can include gold coin, platinum coin, fire sword, crown shield, tower shield, brown mushroom, beastslayer axe, mercenary sword, spiked squelcher, great mana potion, great health potion, underworld rod, wand of starstorm, broken dream, goosebump leather, and pool of chitinous glue.