Rust Monster

CreatureXMMp. 2632024SRD

Medium monstrosity, unaligned

Armor Class
14
Hit Points
33 (6d8 + 6)
Speed
40 ft.
Challenge
1/2 (100 XP)
STR
13
+1
DEX
12
+1
CON
13
+1
INT
2
-4
WIS
13
+1
CHA
6
-2
Senses
Darkvision 60 ft., passive Perception 11

Traits

Iron Scent.

The rust monster can pinpoint the location of ferrous metal within 30 feet of itself.

Actions

Multiattack.

The rust monster makes one Bite attack and uses Antennae twice.

Bite.

Melee Attack Roll: +3, reach 5 ft. Hit: 5 (1d8 + 1) Piercing damage.

Antennae.

The rust monster targets one nonmagical metal object—armor or a weapon—worn or carried by a creature within 5 feet of itself. dex DC 11, the creature with the object. The object takes a -1 penalty to the AC it offers (armor) or to its attack rolls (weapon). Armor is destroyed if the penalty reduces its AC to 10, and a weapon is destroyed if its penalty reaches -5. The penalty can be removed by casting the Mending spell on the armor or weapon.

Destroy Metal.

The rust monster touches a nonmagical metal object within 5 feet of itself that isn't being worn or carried. The touch destroys a 1-foot Cube of the object.

Reactions

Reflexive Antennae.

An attack roll hits the rust monster. The rust monster uses Antennae.

Raw data
{
  "ac": [
    14
  ],
  "cr": "1/2",
  "hp": {
    "average": 33,
    "formula": "6d8 + 6"
  },
  "cha": 6,
  "con": 13,
  "dex": 12,
  "int": 2,
  "str": 13,
  "wis": 13,
  "name": "Rust Monster",
  "page": 263,
  "size": [
    "M"
  ],
  "type": "monstrosity",
  "speed": {
    "walk": 40
  },
  "srd52": true,
  "trait": [
    {
      "name": "Iron Scent",
      "entries": [
        "The rust monster can pinpoint the location of ferrous metal within 30 feet of itself."
      ]
    }
  ],
  "__prop": "monster",
  "action": [
    {
      "name": "Multiattack",
      "entries": [
        "The rust monster makes one Bite attack and uses Antennae twice."
      ]
    },
    {
      "name": "Bite",
      "entries": [
        "{@atkr m} {@hit 3}, reach 5 ft. {@h}5 ({@damage 1d8 + 1}) Piercing damage."
      ]
    },
    {
      "name": "Antennae",
      "entries": [
        "The rust monster targets one nonmagical metal object—armor or a weapon—worn or carried by a creature within 5 feet of itself. {@actSave dex} {@dc 11}, the creature with the object. {@actSaveFail} The object takes a -1 penalty to the AC it offers (armor) or to its attack rolls (weapon). Armor is destroyed if the penalty reduces its AC to 10, and a weapon is destroyed if its penalty reaches -5. The penalty can be removed by casting the {@spell Mending|XPHB} spell on the armor or weapon."
      ]
    },
    {
      "name": "Destroy Metal",
      "entries": [
        "The rust monster touches a nonmagical metal object within 5 feet of itself that isn't being worn or carried. The touch destroys a 1-foot {@variantrule Cube [Area of Effect]|XPHB|Cube} of the object."
      ]
    }
  ],
  "senses": [
    "Darkvision 60 ft."
  ],
  "source": "XMM",
  "passive": 11,
  "hasFluff": true,
  "hasToken": true,
  "miscTags": [
    "MA"
  ],
  "reaction": [
    {
      "name": "Reflexive Antennae",
      "entries": [
        "{@actTrigger} An attack roll hits the rust monster. {@actResponse} The rust monster uses Antennae."
      ]
    }
  ],
  "alignment": [
    "U"
  ],
  "senseTags": [
    "D"
  ],
  "soundClip": {
    "path": "bestiary/rust-monster.opus",
    "type": "internal"
  },
  "actionTags": [
    "Multiattack"
  ],
  "damageTags": [
    "P"
  ],
  "environment": [
    "underdark"
  ],
  "basicRules2024": true,
  "hasFluffImages": true,
  "referenceSources": [
    "FRAiF",
    "RHW"
  ],
  "savingThrowForced": [
    "dexterity"
  ]
}
Rust Monster · Wiki