the hourglass itself
there is not an earth king but there is an ocean king
You have to go to the ocean temple and get the next sea chart.
there are no floors in the ocean realm.i think your confusing the ocean realm with the ocean temple.
no clue but i think you have to use bomb
The Tri-Force
Simple! You just need to get to the bottom of the temple of the ocean king
In the temple of the ocean king like all the other ones.
I think u have 2 have a hammer
You go to mercay island and go to temple of the ocean king
Go to the harbor. Then U talk to the guy on the deck. And then U can go to the temple of the ocean king to rescue lineback.
The last boss is deep within the Temple of the Ocean King and is called Bellum
Stop by Cannon island and pick up a cannon, then go back to the Temple Of the Ocean King.