Rust Monster A5E

CR 1/2 monstrosity

Medium monstrosity, chaotic evil

Armor Class: 15
Hit Points: 27 (5d8+5)
Speed: 40 ft.

STR12 (+1)

DEX12 (+1)

CON12 (+1)

INT2 (-4)

WIS12 (+1)

CHA6 (-2)

Saving Throws
Skills
Senses: darkvision 60 ft., passive Perception 11
Languages: —
Challenge: 1/2 (100 XP) · Proficiency Bonus +2

Metal Detection.

The rust monster can smell metal within 30 feet.

Rust Metal.

A nonmagical weapon made of metal that hits the rust monster corrodes after dealing damage, taking a permanent -1 penalty to damage rolls per hit. If this penalty reaches -5, the weapon is destroyed. Metal nonmagical ammunition is destroyed after dealing damage.

Actions

Antennae.

The rust monster corrodes a nonmagic metal object within 5 feet. It can destroy up to a 1-foot-square portion of an unattended object. If the object is worn or carried the objects owner makes a DC 11 Dexterity saving throw avoiding the rust monsters antennae on a success.

Metal shields or armor the rust monster touches with its antennae corrode, taking a permanent -1 penalty to its AC protection per hit.

If the penalty reduces the armors AC protection to 10 the armor is destroyed. If a metal weapon is touched it is subject to the Rust Metal trait.

Bite.

Melee Weapon Attack: +3 to hit, reach 5 ft., one target. Hit: 5 (1d8 + 1) piercing damage.

Reactions

Defensive Bite.

When the rust monster is hit by a melee attack made by a creature it can see within 5 feet, it bites the attacker.

Other versions

2014 Rust Monster · Black Flag 2014 Rust Monster · SRD 5.1 2024 Rust Monster · SRD 5.2

Source: Monstrous Menagerie (EN Publishing) · License: OPEN GAME LICENSE Version 1.0a details