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.
Unlock all the Bestiary entries.
Defeat Ulak.
Explore 100% of the map.
Complete all villager sidequests.
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.
Defeat King Trell.
Rescue all the missing villagers.
Become the Arena champion.
Defeat the Golem.
Defeat 1,000 enemies.
Defeat the Catakiller.
Defeat a boss without getting hit.
Defeat the Wendigo.
Spend 5,000 gold.
Defeat 100 enemies.