Gearkeeper Construct

Large construct, unaligned

Armor Class

18 (natural armor)

Hit Points

161 (17d10 + 68)

Speed

60 ft.

STR

20 (+5)

DEX

16 (+3)

CON

18 (+4)

INT

3 (-4)

WIS

11 (+0)

CHA

1 (-5)

Damage Immunities

fire, poison, psychic

Damage Resistances

bludgeoning, piercing, and slashing from nonmagical attacks

Condition Immunities

charmed, exhaustion, frightened, paralyzed, petrified, poisoned

Senses

blindsight 120 ft., passive Perception 10

Languages

understands the languages of its creator but can’t speak

Challenge

10 (5,900 XP)

Immutable Form. The gearkeeper is immune to any spell or effect that would alter its form.

Rapid Shifting. Opportunity attacks made against the gearkeeper have disadvantage.

Whirling Blades. Any creature that starts its turn within 5 feet of the gearkeeper takes 4 (1d8) slashing damage.

Actions

Multiattack. The gearkeeper makes two Arm Blade attacks, or one Arm Blade attack and one Spear Launcher attack.

Arm Blade. Melee Weapon Attack: +9 to hit, reach 5 ft., one target. Hit: 18 (3d8 + 5) slashing damage.

Spear Launcher. Ranged Weapon Attack: +9 to hit, range 90 ft., one target. Hit: 12 (2d6 + 5) piercing damage, and the target is knocked prone.

Shrapnel Blast (Recharge 6). The gearkeeper jettisons a spray of jagged metal in a 30-foot cone. Each creature in the area must make a DC 15 Dexterity saving throw, taking 21 (6d6) piercing damage on a failed save, or half as much damage on a successful one.