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It's now enchanted.
Poseidon using his trident to enchant a seashell src

Tridents are magical items featured on ABC's Once Upon a Time. They first appear in the twelfth episode of the first season.[1]

The most prominent trident, Poseidon's trident, is based on the item of the same name from Greek mythology, and King Triton's trident from the Disney film The Little Mermaid.


Before First Curse

The sea god Poseidon discovers that Hook, captain of the Jolly Roger, has agreed to take Poseidon's daughter Ursula to Glowerhaven. He offers the pirate squid ink, which the pirate can use to give retribution to the Dark One. In return for this much-needed item, the sea king uses his trident to enchant a seashell and asks him to trap his daughter's voice within it so she won't leave the kingdom for Glowerhaven. Learning about her father's scheme from Hook, she helps by stealing the ink from Poseidon's vault for him. Unfortunately, their plans are thwarted when Poseidon shows up at the Jolly Roger and takes away the ink with a wave of his trident. This incites an angry Hook to reach for his sword; however, Poseidon uses his trident to freeze the pirate in place. Angered that his only hope of revenge is gone, Hook spitefully captures Ursula's singing voice in the shell so Poseidon can never sink another ship again.

Ursula, shattered at this betrayal, returns to the rocks by Poseidon's ocean. She decides to choose her own destiny and grabs her father’s trident. The sea god orders his daughter not to, but his angry daughter aims the weapon at him and declares to her father she no longer wants to be a mermaid. At that, she uses the trident to transform her tail into tentacles. She claims that the whole sea will be at her mercy because of her newfound power and that even her father will come to fear her. ("Poor Unfortunate Soul")

While Belle is working as Rumplestiltskin's maid, the Dark One has a trident on display in the drawing room.[1] ("Skin Deep")

During the yearly Under the Sea Celebration, a party is held at Prince Eric's castle. Of the many guests, a mermaid named Ariel, gains human legs and attends the ball in order to see Prince Eric. Entering the dance hall, she picks up human a utensil from the dining table, which her companion, Snow White, quizzes her on the name of; Ariel guesses "mini trident", but her friend says no. The mermaid then suggests "salad-trident", but her friend reminds her that it's a fork. ("Ariel")

After Second Curse
After relocating to a trailer home, Lily starts to collects research about her connection with Emma, managing to make a wall collage of information. One of the pieces of information in the collage is a photograph of a trident.[2] ("Lily")

After Fifth Curse
In the Wish Realm, Rogers summons the Wish Realm version of Ariel with a conch shell from his old hovel. Ariel greets him, before attempting to launch her trident at the Dark One who is standing near him. The man, Weaver, manages to transform the trident into a miniature trident, while Rogers explains that he is helping him get rid of the Rumplestiltskin Ariel knows of. ("Homecoming")


Props Notes


Note: A trident appears in Rumplestiltskin's castle in "Skin Deep". [1]


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