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.
Complete the game on Hard difficulty.
Explore 100% of the map.
Unlock all the Bestiary entries.
Complete all villager sidequests.
Defeat Ulak.
Break all the crates in the game.
Find all the Journal Entries in the game.
Defeat the Shaman.
Find all the Powerups in the game.
Rescue all the missing villagers.
Become the Arena champion.
Defeat King Trell.
Spend 5,000 gold.
Defeat a boss without getting hit.
Defeat the Golem.
Defeat 1,000 enemies.
Defeat the Catakiller.
Defeat the Wendigo.
Defeat 100 enemies.