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Rust Monster

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

Rust Monster CR 3

XP 800
N Medium aberration
Init +3; Senses darkvision 60 ft., scent metals 90 ft.; Perception +12


AC 18, touch 13, flat-footed 15 (+3 Dex, +5 natural)
hp 27 (5d8+5)
Fort +2, Ref +4, Will +5


Speed 40 ft., climb 10 ft.
Melee bite +6 (1d3), antennae +6 touch (rust)


Str 10, Dex 17, Con 13, Int 2, Wis 13, Cha 8
Base Atk +3; CMB +3; CMD 16 (20 vs. trip)
Feats Ability Focus (rust), Skill Focus (Perception), Weapon Finesse
Skills Climb +8, Perception +12


Rust (Su)

A rust monster's antennae are a primary touch attack that causes any metal object they touch to swiftly rust and corrode. The object touched takes half its maximum hp in damage and gains the broken condition—a second hit destroys the item. A rust monster never provokes attacks of opportunity by attempting to strike a weapon with its antennae. Against creatures made of metal, a rust monster's antennae deal 3d6+5 points of damage. An attended object, any magic object, or a metal creature can attempt a DC 15 Reflex save to negate this effect. The save DC is Constitution-based.

Scent Metals (Ex)

This ability functions much the same as the scent ability, except that the range is 90 feet and the rust monster can only use it to sense metal objects (including creatures wearing or carrying metal objects).

3rd Party Publisher Options (NwP)

When captured by a monster trainer, rust monsters grant the trainer access to new spells.