Barbarian Totem Option

Totem of the Kraken

Witnessing the awesome might of a sea kraken crushing a galleon into so much pulp and screaming crew will change a person or a whole people. Tribes exposed to such a raw display of awesome might grow to worship and emulate these eight armed demi-gods.

Kraken's Spirit

At 3rd level, you may select the following option for your Totem Spirit Feature.

Kraken

While raging your unarmed attacks deal 1d4 bludgeoning damage. Use your str modifier for the attack and damage rolls.

While raging and unarmed you may use your bonus action to make one unarmed attack.

While raging and unarmed whenever you are able to make an unarmed attack, you may grapple or shove instead.

The spirit of the kraken empowers you to crush your foes.

Aspect of the sea

At 6th level, you may select the following option for your Aspect of the Beast Feature.

Kraken

You may swim at twice your normal walking speed and may hold your breath for thrice the normal duration.

You have advantage on stealth(Dex) checks made while in water.

Totemic Wyrm

At 14th level, you may select the following option for your Totemic Attunement Feature.

Kraken

While raging and unarmed any creature who ends its turn grappled by you, or with you grappled to them (see "Climb onto a Bigger Creature" DMG 271) provokes an attack of opportunity from you.

While raging and unarmed grappling a creature your size or smaller no longer requires a free hand.