SRD 5.1 SRD 5.1 (current printing)

SRD 5.2 SRD 5.2.1

Rust Monster

Medium Monstrosity, Unaligned

Armor Class 14 (natural)

Hit Points 27 (5d8 + 5)

Speed 40 ft.

STR DEX CON INT WIS CHA
() () () () () ()
Senses
darkvision 60 ft., passive perception 11
Challenge
1/2 (100 XP)

Traits

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.

Actions

Melee Weapon Attack: to hit, reach 5 ft., one target. Hit: .
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.

DM Options: Monster Talents adds Talents to this creature. View

Monster Weaknesses adds Weaknesses to this creature. View

The Monsters Know What They're Doing adds Tactics to this creature. View

Monster Loot: Monster Manual adds Loot to this creature. View

Creature Harvest Index: Monstrosities adds Loot to this creature. View

Monster Loot: Waterdeep: Dragon Heist adds Loot to this creature. View

Monster Loot: Waterdeep: Dungeon of the Mad Mage adds Loot to this creature. View

Monster Loot: Icewind Dale: Rime of the Frostmaiden adds Loot to this creature. View

Monster Loot: Out of the Abyss adds Loot to this creature. View

Monster Loot: Princes of the Apocalypse adds Loot to this creature. View

Monster Loot: Storm King's Thunder adds Loot to this creature. View

Official miniatures

Pre-painted minis of this creature, catalogued from minisgallery.com.

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