Medium Construct, unaligned
Armor Class 18 (natural armor)
Hit Points 102 (12d8+48)
Speed walk +40
Challenge 8
Skills insight +4, stealth +8
Damage Resistances bludgeoning, piercing, and slashing from nonmagical attacks
Damage Immunities fire, poison, psychic
Condition Immunities charmed, exhaustion, frightened, paralyzed, petrified, poisoned
Senses blindsight 90 ft., passive Perception 10
Languages Common
Expert Lockpicker. The locksmith can use any piece of its mechanical body to pick locks and disarm traps, as if its entire body was made up of several sets of thieves' tools. It is proficient in using pieces of itself in this way. In addition, the locksmith has advantage on ability checks to pick locks and disarm traps.
Innate Spellcasting. The locksmith's innate spellcasting ability is Intelligence (spell save DC 15). It can innately cast the following spells, requiring no material components: At will: mending 3/day each: arcane lock, knock 1/day: forcecage
Multiattack. The locksmith makes two key blade attacks.
Key Blade. Melee Weapon Attack: +9 to hit, reach 5 ft., one target. Hit: 18 (3d8 + 5) slashing damage.
Acid Wash (Recharge 5-6). The locksmith emits a cloud of rust in a 60-foot cone. Each creature in that area must succeed on a DC 16 Dexterity saving throw, taking 35 (10d6) acid damage on a failed save, or half as much damage on a successful one.
Source: Tome of Beasts 2 · OGL/Open