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