you get all four items then get Herculie's help then go to the sea [yous mirror] and then click on the first question
It does not have a known name apart from 'trident'.
a trident
His Trident.
you don't
He uses a Trident.
Use the crown and trident.
No, Lightning is the weapon of Zeus.
Use Hades's crown and Poseidon's trident to fight him.
To open the underground door on Mythology Island in Poptropica, you need to retrieve the trident from Poseidon. Once you have the trident, use it to unlock the door and access the underground area. Good luck!
Only the Cyclops who made it could tell you. Well actually Poseidon's trident was made by creatures called telekhines not Cyclops.
Hades crown and Poseidon's trident
first you get the starfish at the museum of poseidons face then go to poseidon castle and put the starfish there and go inside and you are at the beach