Ofalth

Found in castle dung heaps, city dumps, and sewers, ofalths are living amalgamations of wet detritus, sewage, and rubbish. They carry a disease called wretched weeps that causes the victim's blood to seep from its pores.

Larval Ofalth (Creature 4), Ofalth (Creature 10)

After several years, the larval ofalth prepares for its final transformation by peeling off all its trash armor and slamming itself into a hard surface until its cocoon finally cracks open, allowing the fully grown ofalth to surge forth in a violent eruption of slime and gore.