Make one extra attack when you take the Attack action.

Enter a rage as a bonus action to gain damage resistance, rage damage, and advantage on Strength checks and saves.

At 3rd level, you choose the Storm Aura, which lets you project a constant elemental effect while raging. This character uses Sea. While raging, you can use a bonus action to cause a 10-foot radius aura of crashing water. One creature of your choice in the area takes cold damage equal to your barbarian level or half that on a successful Dex save.

At 14th level, when a creature in your storm aura is hit by an attack, you can use your reaction to force it to make a Strength saving throw or be knocked prone, with additional movement control themed to the sea storm.

While not wearing heavy armor, your AC equals 10 + your Dexterity modifier + your Constitution modifier.

You can move through nonmagical difficult terrain made of rubble, rocks, and similar obstacles with no extra movement cost.

You have advantage on Dexterity saving throws against effects you can see, such as traps and spells, unless you are blinded, deafened, or incapacitated.

Choose a primal path. This character follows the Path of the Storm Herald, channeling the fury of sea and sky into a living tempest.

Your land speed increases by 10 feet while you are not wearing heavy armor.

You choose an ability score improvement or feat. This build uses the options to sharpen the character's raw dominance on deck and in boarding actions.

You choose an ability score improvement or feat. This build uses the options to sharpen the character's raw dominance on deck and in boarding actions.

You choose an ability score improvement or feat. This build uses the options to sharpen the character's raw dominance on deck and in boarding actions.

You choose an ability score improvement or feat. This build uses the options to sharpen the character's raw dominance on deck and in boarding actions.

If you roll a 1 on a damage die for a melee attack while raging, you can reroll the die and must use the new roll.

If you score a critical hit with a melee weapon attack, roll one additional weapon damage die and add it to the extra damage of the critical hit.

You can rage longer, and your rage only ends early if you are knocked unconscious or you choose to end it. It also ends if you have not attacked a hostile creature since your last turn or taken damage since then.

Your rage damage bonus increases to +3.

Your rage damage bonus increases to +4.

At 6th level, your storm grants a benefit tied to your environment. In the sea environment, you gain a swimming speed equal to your walking speed and can breathe underwater.

At 10th level, you and allies in your aura gain resistance to lightning and thunder damage while raging, and you can also use your sea aura to push foes off balance in close quarters.

When you make a critical hit with a melee weapon attack, roll one additional weapon damage die again, increasing the burst of damage from your criticals.

You can secure passage for yourself and your companions on a ship, and you can usually identify safe ports, working crews, and the local laws of harbors and sea trade.