Game completed using only the hard level of difficulty.
Have won 150 battles.
Pig in a Poke
Obtained the old man's artefact in the sea.
Have overcome 25 random encounters in the sea.
Game completed without using the easy level of difficulty.
Have answered all the questions of the sages.
Shadow of the Colossus
All the bosses defeated.
Looted all treasure chests and hidden caches.