Oglidarsh, he was a giant, but not from the areas that often traveled to the Trials.
I am not sure why. It's said that there is a shark in Oceanus Hesperos that bears his strength.
I'm not really one to say for sure if this is true, but perhaps that would interest you.
Oh...what do you want that old thing for? Just to have, perhaps?
Alright...I will tell you what you wish to know, though I strongly disagree with you wanting to get it.
You see Calderon, there are these creatures that live in the ocean, perhaps you've heard of them?
They are called sharks. It's a simple matter, really. Find the right shark and you shall have your belt.