Kraken Royale

As an inkling or octoling, you have the ability to tap into your innate primordial cephalopod power. Once per long rest, you can transform into a giant creature known as the Kraken. When transformed, you gain the following benefits:

• Your size increases to Huge.
• You gain 5d10 (25) temporary hitpoints.
• You gain a +5 to armor class.
• You gain resistance to piercing, slashing, bludgeoning, fire, and lightning damage.
• Your body is amorphous and can fit into any space larger than an inch.
• You gain a +30 to your swim speed, and your swim speed is equal to your walking speed.
• You gain a jump height equal to half your swim speed.
• When you make any melee weapon attack, you deal an additional 1d8 force and 1d8 bludgeoning damage.
• You gain the attack "Tentacle Smash" in place of your unarmed strike, and you can use 4 per action. Each attack has a +3 to attack and damage rolls and deals 2d10 bludgeoning damage.
• You gain the attack "Ink Rush", and you can use 2 per action. Each attack has a +3 to hit and deals 2d12 bludgeoning damage on a hit. Additionally, a character hit by this attack must roll a DC 17 Dexterity saving throw or be knocked prone.
• You leave a trail behind you of your ink color. When you end your turn in the ink, you regenerate 2d6 + 6 health.