Large robot

Armour Class 16 (heavy body, 2 heavy plate, 2 medium plate)
Hit Points 142 (15d10 + 60)
Speed 40 ft.

15 (+2) 14 (+2) 18 (+4) 18 (+4) 15 (+2) 10 (+0)

Skills Deception +7, Insight +6, Intimidation +7, Perception +6, Persuasion +7
Damage Immunities Poison, Radiation
Condition Immunities Poisoned, Radiation Sickness
Senses passive Perception 15
Languages American English
Challenge 8 (3,900 XP)

Cunning Attacks. The robobrain‘s weapon damage rolls include its Intelligence bonus. Additionally, once per round the robobrain can add its Intelligence bonus to an attack roll when the attack would otherwise miss.

Machine. The robobrain is immune to poison, radiation and all forms of disease. It does not need to eat or sleep, but enters an inactive state for at least 4 hours a day to conserve power. The robobrain cannot use stimpaks or other items intended for biological creatures.

Treads. The robobrain has advantage on Dexterity (Acrobatics) ability checks to retain footing on treacherous terrain, but has disadvantage on Strength (Athletics) checks to climb.


Multiattack. The robobrain makes four attacks.

Automatic Rifle. Ranged weapon attack: +7 to hit, range 70/210 ft., one target or burst fire. Hit: 15 (2d8 + 6) piercing damage.

Claw. Melee weapon attack: +8 to hit, reach 5 ft., one target. Hit: 5 (1d6+2) bludgeoning damage.

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