Rust Monster

A mud-brown insect as big as a wolf with two feathery antennae. Consumes metal.

AC 13, HP 19, ATK 2 claw +3 (1d6), MV near (climb), S 2, D 3, C 1, I -3, W 1, Ch -3, AL N, LV 4

Corrosive. Metal that touches the rust monster is destroyed on a d6 roll of 1-3.