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Oaken Bolters - AI-generated fantasy Monster

Oaken Bolters

The original Oaken Bolters were ingenious magical ballistae built by artificers, wizards, and siege engineers. Their wooden frames were lighter and more mobile than stone or metal engines, allowing them to defend mountain passes, woodland keeps, and hidden workshops. The corrupted examples found in abandoned tunnels have been fitted with blackened iron braces and unstable explosive charges. Some bear the marks of a master engineer whose designs were altered by an unknown force.

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MediumConstruct(Construct)CR Moderate to high for a level 5 party, especially in fortified terrainUnaligned

Oaken Bolters

constructclockworksiege engineartillerywooden automatoncorrupted machinedungeon guardian
HP117AC+7SPD30 ft.CR5 (1,800 XP)PerceptionStealth
STR
12
DEX
18
save
CON
15
save
INT
3
WIS
10
CHA
1
Magic Resistance. The Oaken Bolter has advantage on saving throws against spells and other magical effects.
Unusual Nature. The Oaken Bolter does not require air, food, drink, or sleep.
Magical Weapons. The Oaken Bolter's weapon attacks are magical.
Multiattack. The oaken bolter makes two Lancing Bolt attacks and one Harpoon attack.
Lancing Bolt. Ranged Weapon Attack: to hit, range 120/480 ft., one target. Hit: 16 () piercing damage. If the target is a Large or smaller creature, it must succeed on a Strength saving throw or be pushed up to 10 feet in a straight line.
Harpoon. Ranged Weapon Attack: to hit, range 60/240 ft., one target. Hit: 9 () piercing damage, and the target is grappled by the attached chain if it is a Large or smaller creature. The grapple ends if the target escapes the grapple, if the bolter is incapacitated, or if the target is more than 60 feet from the bolter. While grappled, the target is restrained, and the bolter can't use the same harpoon on another target.
Explosive Bolt. The bolter launches an explosive bolt at a point it can see within 120 feet. Each creature within 10 feet of that point must make a Dexterity saving throw, taking 22 () fire damage on a failed save, or half as much damage on a successful one. The bolter can't use Explosive Bolt again until the start of its next turn.
Reel In. The bolter pulls each creature grappled by its harpoon up to 30 feet toward itself. If a creature is pulled within 5 feet of the bolter, the bolter can make one Lancing Bolt attack against it with disadvantage.
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