Poseidon's throne room is to the right of the Hydra cave. Go immediately right when you get to the Hydra cave. You will see a part of rock that sticks out. That needs to be moved out of the way before you can get the trident. Hercules has to stomp on it.
To find poseidon's lair you need Hercules who is in the cafe but first you need to find the five items and return to Athena.Zeus will steal the items and you need Poseidon's help.To approach Hercules you have to get the mirror from Aphrodite.then click on the water symbol.Hercules will break a rock reavealing Poseidon's palace. he has six mousthes. He will give you his Trident
What you do is go to Aphrodite who is on the beach and answer her questions and she will give you a magical mirror to transport you to places you've been. then go to Hercules in the hero hut and tell him to go with you, he will say that he is to lazy.then tell him that you have Aphrodite's mirror and use it to go to poseidon's realm, he will move a rock out of the way revealing an entrance to Poseidon's palace. Talk to Poseidon and he will give you the trident.
you don't meet him. sorry.
he is in his realm underwater. when you have Hercules on your side he brakes the rock and you go to Poseidon's realm
She is in Poseidon's beach in Mythology island.
You go under water and go to Hydra's cave but go up a little. That's were you will find the pearl.
in the throne room.
You can use the mirror by comical bubbles
Put the starfish on the offering stand.
you have to get the pomegranates
When you finish going to Hades' throne room ,use your mirror from Aphrodite and click Hades' symbol.Then,click on Hercules.Hercules will crunch the rock blocking Poseidon's throne room.Then you can go into his throne room.
Underwater, u need hecules to smash the boulder in front of the throne room
If hes with you and you click on it he will stomp on it for you.
get the reed pipe then play the music from the card then look to the items you can look at it.
get hurcules and he will help u when u go to hades realm