Hum Bug

Armor Class 16

Hit Points 199 (21d12 + 63)

Speed 30 ft., burrow 15 ft.

Initiative +2

Damage Resistances piercing and slashing from nonmagical weapons that aren't adamantine

Damage Immunities thunder

Senses tremorsense 120 ft., passive Perception 12

Languages —

Challenge 9 (3,900 XP)

Source Monster a Day

Multiattack. The humbug makes three slam attacks.

Slam. Melee Weapon Attack: +9 to hit, reach 5 ft., one target. Hit: 16 (2d10 + 5) bludgeoning damage plus 7 (2d6) thunder damage.