Sunken Treasure (Thousand Needles) (Horde)

Objectives
Collect 8 Sunken Treasure Chests.
 * Sunken Treasure Chest x8

Description
The key to this cage is held by, the pirate admiral, and he's guarded by ogres that you'll never be able to kill!

< cries some more and then looks up, an idea forming in his brain.>

I've got it! What do all pirates want more than anything else? No, not grog. Something even better... treasure!

They had a ship full of treasure that was sunk by a giant. The treasure is scattered all over down in the Mirage Abyss to the northwest.

Go get it!

Rewards
You will receive:

Progress
Oh gosh, do you already have all of that sunken treasure?

Completion
Oh yeah! Look at all that booty.

Wait a minute... bring it closer!