Rust Monster

The Rust Monster is a Medium monstrosity, with Armor Class 14, 27 hit points, and Challenge Rating 1/2. The rust monster is a multi-legged subterranean scavenger that feeds exclusively on ferrous metals.

Stat Block

Size: Medium
Type: monstrosity
Challenge Rating: 1/2
Armor Class: 14
Hit Points: 27
Speed: 40 ft. ft.
STR: 13
DEX: 12
CON: 13
INT: 2
WIS: 13
CHA: 6

Abilities & Attacks

Iron Scent: The rust monster can pinpoint, by scent, the location of ferrous metal within 30 feet of it. Rust Metal: Any nonmagical weapon made of metal that hits the rust monster corrodes. After dealing damage, the weapon takes a permanent and cumulative -1 penalty to damage rolls. If its penalty drops to -5, the weapon is destroyed. Nonmagical ammunition made of metal that hits the rust monster is destroyed after dealing damage. Antennae: The rust monster corrodes a nonmagical ferrous metal object it can see within 5 feet of it. If the object isn't being worn or carried, the touch destroys a 1-foot cube of it. If the object is being worn or carried by a creature, the creature can make a DC 11 Dexterity saving throw to avoid the rust monster's touch. If the object touched is either metal armor or a metal shield being worn or carried, its takes a permanent and cumulative -1 penalty to the AC it offers. Armor reduced to an AC of 10 or a shield that drops to a +0 bonus is destroyed. If the object touched is a held metal weapon, it rusts as described in the Rust Metal trait.

Common Questions

How much HP does a Rust Monster have?

27 hit points.

What is a Rust Monster's Challenge Rating?

Challenge Rating 1/2.

What is a Rust Monster's Armor Class?

AC 14.

How fast can a Rust Monster move?

Speed 40 ft. ft.

Use Rust Monster at your table

Original custom artwork found nowhere else on the web, free to view. Copy-paste the full stat block straight into your notes, a Word doc, or your VTT, or sign in to claim Rust Monster into a ZapGM campaign and customize it further.

Official stats from the D&D 5e (Dungeons and Dragons 5th Edition) System Reference Document (SRD), free to use under its open license.