Rust Monster


Uncommon | Medium | Neutral | Magical Beast

This inspective monster has four legs, a strange propeller-shaped protrusion at the end of its tail, and two long, feathery antennae.

Armor Class Hit Points Move
18 20
(5 Hit Dice)
walk 40 ft
Appearing 1d4
Habitat Underground
Negotiation no
Morale DC 11
Challenge 1.9 (570 XP per monster)

Ability Scores

1 1 1 -3 -1 -2


Has 1 attack. Hit Bonus +5. Damage Bite. 3d6 +5 damage

Special Attacks

Rust. If the rust monster’s antennae touch metal (determined by a successful attack roll), the metal rusts. Magical items have a chance of being unaffected equal to 10% for each plus (a +2 weapon or armor has a 20% chance of not being affected). Any affected metal rusts or corrodes and immediately falls to pieces that are easily eaten and digested by the creature. Metal weapons striking a rust monster are affected just as if the creature’s antennae had touched them.


Individual: None

Lair: 3d4 gems per individual (50%)

2 thoughts on “Rust Monster

  1. OMG! That rust monster is the cutest thing ever. Who is the original artist? I would love to get permission to use it in a module that I’m putting together.


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