Acid Resistance: You have resistance to acid damage. Amphibious: You can breathe air and water. Swim: You have a swimming speed of 30 feet. Call to the Wave: You know the Shape Water cantrip. Once you reach 3rd level, you can cast the Create or Destroy Water spell once with this trait as a 2nd-level spell, and you regain the ability to cast it this way when you finish a long rest. Constitution is your spellcasting ability for these spells.
Languages. You can speak, read, and write Common and Primordial. Primordial is a guttural language, filled with harsh syllables and hard consonants.