Dire Bombardier Beetle

Armor Class 19

Hit Points 315 (18d20 + 126)

Speed 60 ft., climb 30 ft.

Initiative +1

Saving Throws Str +13, Con +13

Senses darkvision 30 ft., passive Perception 10

Languages —

Challenge 17 (18,000 XP)

Multiattack. The beetle makes three melee attacks: one with its bite and two with its stomp. It can use Caustic Liquid in place of any melee attack.

Bite. Melee Weapon Attack: +13 to hit, reach 5ft., one target. Hit: 25 (4d8 + 7) piercing damage.

Stomp. Melee Weapon Attack: +13 to hit, reach 5ft., one target. Hit: 18 (2d10 + 7) bludgeoning damage. Hit or miss, each other creature within 5 feet of the target must succeed on a DC 20 Dexterity saving throw or take 18 (2d10 + 7) bludgeoning damage.

Caustic Liquid (Recharge 4-6). Ranged Weapon Attack: +7 to hit, range 120/240 ft., one target. Hit: 15 (6d4) acid damage plus 15 (6d4) fire damage. Each creature within 5 feet of the target must succeed on a DC 14 Dexterity saving throw or take 7 (3d4) acid damage plus 7 (3d4) fire damage.