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Mermaid magic. It works across realms.
Ariel to Hook src

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:

Practitioners

Trivia

On-Screen Notes

  • When world-crossing, mermaids may have to travel couple of worlds in order to get where they want, contrary to magic doors or cyclones or other world-crossing elements which they directly transport someone their destination. ("Dark Hollow")
    • This was actually suggested by Jefferson, who said "They touch one another, pressing up in a long line of lands...". ("Hat Trick")
  • Even after she turned herself into a cecaelia, Ursula is still able to use Mermaid Magic. It is unknown if it means that cecaelias are also capable of using Mermaid Magic, or if Ursula just kept her mermaid abilities despite her transformation. ("Poor Unfortunate Soul")

Appearances