Mermaid Magic

"Mermaid magic. It works across realms."

- Ariel to Hook Mermaid Magic is a type of magic featured on ABC's Once Upon a Time. It first appears in the first episode of the third season.

Uses
Mermaid Magic is a set of magical abilities possessed by mermaids. It enables mermaids to travel across realms, and communicate across them using enchanted conch shells; as well as the ability to summon storms and sink ships.

Practitioners

 * Ursula (Sea Witch)
 * Ariel (Character)