Large Construct, neutral
Armor Class 16 (natural armor)
Hit Points 75 (10d10+20)
Speed swim +30, walk +30, climb +30
Challenge 5
Saving Throws dex +7, wis +6
Skills perception +6
Damage Resistances bludgeoning, piercing, and slashing from nonmagical attacks
Damage Immunities poison, psychic
Condition Immunities blinded, charmed, deafened, exhaustion, frightened, paralyzed, petrified, poisoned
Senses darkvision 60 ft., tremorsense 60 ft., passive Perception 16
Languages —
Arcane Instability. When the excavator is reduced to half its maximum hp or fewer, unstable arcane energy begins to pour from its metal body. A creature that touches the unstable excavator or hits it with a melee attack while within 5 feet of it takes 3 (1d6) force damage.
Spider Climb. The excavator can climb difficult surfaces, including upside down on ceilings, without needing to make an ability check.
Multiattack. The excavator makes two foreleg attacks.
Foreleg. Melee Weapon Attack: +7 to hit, reach 10 ft., one target. Hit: 13 (2d8 + 4) piercing damage.
Excavation Beam. Ranged Weapon Attack: +7 to hit, range 30/60 ft., one target. Hit: 17 (5d6) force damage.
Source: Tome of Beasts 2 · OGL/Open