+1 con

You gain resistance to lightning Damage. you do not get hellish resistance

Can breathe underwater and in air

Swim speed equal to walking speed

You know the Shocking Grasp cantrip. Once you reach 3rd level, you can cast Create or Destroy Water spell once. Once you reach 5th level you can cast Gust of Wind once. You must finish a long rest to cast these spells again with this trait. Intelligence, Wisdom, or Charisma is your spellcasting ability when you use this trait