Prerequisite: Fish-Man Martial Arts
A powerful straight punch that transmits the force of the impact through the water in a person's body, enabling the strike to bypass a person's defenses. As a result, all of your unarmed strikes do Thunder damage. Additionally, as an Action on your turn, you can strike the space before you and “cast” Thunderwave without components.
Underwater, your normal unarmed strikes are now in a 15 ft cone, and your Thunderwave becomes a 30 ft cone.
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