Baba Lysaga's Creeping Hut

Baba Lysaga's Creeping Hut Gargantuan construct, unaligned 11 7,200 xp

Armor class 16 (natural armor)
Hit points 263 (17d20 + 85)
Speed 30 ft.

STR 26 (+8)
DEX 7 (-2)
CON 20 (+5)
INT 1 (-5)
WIS 3 (-4)
CHA 3 (-4)

Save Throws: Con +9, Wis +0, Cha +0

Damage Immunities: poison, psychic

Condition Immunities: blinded, charmed, deafened, exhaustion, frightened, paralyzed, petrified, prone

Senses: blindsight 120 ft. (blind beyond this radius), passive Perception 6

Languages:

Challenge: 11 (7,200 xp)

Antimagic Susceptibility. The hut is incapacitated while the magic gem that animates it is in the area of an antimagic field. If targeted by dispel magic, the hut must succeed on a Constitution saving throw against the caster’s spell save DC or fall unconscious for 1 minute.

Siege Monster. The hut deals double damage to objects and structures.

Actions

Multiattack. The hut makes three attacks with its roots. It can replace one of these attacks with a rock attack.

Root. Melee Weapon Attack: +12 to hit, reach 60 ft., one target. Hit: 30 (4d10 + 8) bludgeoning damage.

Rock. Ranged Weapon Attack: +12 to hit, range 120 ft., one target. Hit: 21 (3d8 + 8) bludgeoning damage.