Freedom of Movement. The Son shub niggurath ignores difficult terrain, and magical effects can't reduce its speed or cause it to be restrained. It can spend 5 feet of movement to escape from nonmagical restraints or being grappled.
Siege Monster. The Son shub niggurath deals double damage to objects and structures.
Multiattack. The kraken makes three
Hooves.Melee Weapon Attack: +8 to hit, reach 15 ft., one target. Hit: 12 (2d + 4) bludgeoning damage.
Ground Hit. One hit in ground beginning a shock wave by the son shub niggurath is thrown up to 30 feet in .If a thrown target strikes a solid surface, the target takes 3 (1d6) bludgeoning damage for every 10 feet it was thrown. If the target is thrown at another creature, that creature must succeed on a DC 16 Dexterity saving throw or take the same damage and be knocked prone.
Frightful Presence.All creature is within 120 feet of the son shub niggurath and aware of it must succeed on a DC 16 Wisdom saving throw or become frightened for 1 minute. A creature can repeat the saving throw at the end of each of its turns, ending the effect on itself on a success. If a creature's saving throw is successful or the effect ends for it, the creature is immune to the Son shub Niggurath's Frightful Presence for the next 24 hours.