Rust Monster 5e

• Name: Rust Monster
• Size: Medium
• Type: monstrosity
• Alignment: Rust Monster

Rust Monster 5e stats

• Armor class: 14
• Hit Points: 27
• Hit Dice: 5d8
• Hit Points Roll: 5d8+5
• Speed: Walk 40 ft.
• Strength: 13
• Dexterity: 12
• Constitution: 13
• Intelligence: 2
• Wisdom: 13
• Charisma: 6

Traits

• Senses Passive Perception 11 Darkvision 60 ft.
• Challenge 0.5 (100 XP)

Special Abilities

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

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

• Attack Bonus: 3
• Damage: Piercing
• Damage Dice: 1d8+1

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 bonus is destroyed. If the object touched is a held metal weapon, it rusts as described in the Rust Metal trait.