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