Here is the full list of all 27 Exploria trophies - there are 10 bronze, 10 silver, 6 gold and 1 platinum.
Collect all Exploria's trophies.
Complete all missions for King Avner.
Defeat Vulcan.
Defeat the Dark Knight.
Discover all locations in the game.
Deliver Ali's treasure.
Bring 25 feathers to King Herren.
Help Queen Simone preventing the coup.
Bring back the fisherman lost treasure map.
Defeat the Desert Dragon.
Collect 15 Icy Troll's mucus for Javin.
Collect 15 Troll's mucus for Javin.
Complete the 3rd challenge for Fabio.
Complete the 2nd challenge for Fabio.
Obtain the strongest shield.
Defeat Itzamna.
Complete the 1st challenge for Fabio.
Complete all the Arena stages.
Get the Silver medal in the Arena.
Collect 15 Gryffon's feather for Javin.
Collect 15 Wolf' teeth for Javin.
Collect 15 Spyder's eggs for Javin.
Defeat Lucifer.
Obtain the strongest weapon.
Have 10.000 gold with you.
Possess a Gold piece of equipment.
Speak to King Avner for the first time.