Here is the full list of all 21 Chasm trophies - there are 7 bronze, 5 silver, 8 gold and 1 platinum.
You have fulfilled the prophecy of the Watchers.
Complete the game as a Mortal.
Defeat a boss without getting hit.
Complete the game on Hard difficulty.
Unlock all the Bestiary entries.
Complete all villager sidequests.
Explore 100% of the map.
Spend 5,000 gold.
Break all the crates in the game.
Defeat Ulak.
Find all the Journal Entries in the game.
Defeat the Shaman.
Find all the Powerups in the game.
Defeat King Trell.
Rescue all the missing villagers.
Become the Arena champion.
Defeat 1,000 enemies.
Defeat the Golem.
Defeat the Catakiller.
Defeat the Wendigo.
Defeat 100 enemies.