Arashaga

Kinetic Absorption. If the Arashaga takes force or bludgeoning damage, it may add a *0.5 damage multiplier to its ranged attacks.

Amphibious. The Arashaga can breathe air and water.

Freedom of Movement. The Arashaga 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 Arashaga deals double damage to objects and structures.

Chargebolt. Ranged Weapon Attack: +17 to hit, reach 30 ft., one target. Hit: 20 (3d6 + 10) lightning damage. The Arashaga can expend an action to add a *0.5 damage multiplier to this attack’s damage.

Tail. Melee Weapon Attack: +17 to hit, reach 30 ft., one target. Hit: 20 (3d6 + 10) bludgeoning damage, and the target is grappled (escape DC 18). Until this grapple ends, the target is restrained.

Monsoon. The Arashaga creates three huge waves, each of which can strike a target the Arashaga 120 feet of it. A target must make a DC 23 Dexterity saving throw, taking 22 (4d10) force damage on a failed save, or half as much damage on a successful one.

Tectonic Thrash. Melee Weapon Attack: +17 to hit, reach 30 ft., one target. Hit: 20 (3d6 + 10) bludgeoning damage.

The kraken can take 3 legendary actions, choosing from the options below. Only one legendary action option can be used at a time and only at the end of another creature's turn. The kraken regains spent legendary actions at the start of its turn.

Tail Attack or Tectonic Thrash. The kraken makes one tail attack or uses its Tectonic Thrash.

Monsoon (Costs 2 Actions). The kraken uses Monsoon.