Acid Resistance. You have resistance to acid damage. Amphibious. You can breathe air and water. Call to the Wave. You know the shape water cantrip. When you reach 3rd level, you can cast the create or destroy water spell as a 2nd-level spell once with this trait, and you regain the ability to cast it this way when you finish a long rest. Constitution is your spellcasting ability for these spells.