Rust Monster

A corrosive creature that devours metal, able to rust and destroy weapons and armor with its touch, spreading destruction wherever it goes.

Vitality 6, Defense +0, Resistance +0, Speed 40 feet,
Attacks: Claw +0 (1d4) or Corrosion +1

Corrosion: Permanently reduces the damage of a metal weapon by one step on the damage ladder, or the Protection of metal armor by 1d6. It completely corrodes other metal objects.