Here is the full list of all 38 Salt and Sanctuary trophies - there are 20 bronze, 13 silver, 4 gold and 1 platinum.
Achieve all possible trophies.
Escape the island.
Become the new lord of the island.
Defeat the Nameless God.
Defeat Kraekan Dragon Skourzh.
Defeat the Unskinned and the Architect.
Take an oath to Devara's Light.
Take an oath to the Order of the Betrayer.
Aid an unraveling sorceror.
Defeat the Witch of the Lake.
Take an oath to the gods of Fire and Sky.
Aid a questing knight.
Defeat Carsejaw the Cruel.
Defeat the Coveted.
Achieve the maximum upgrade level of a weapon.
Defeat the Bloodless Prince.
Bear all possible brands.
Defeat that Stench Most Foul.
Defeat the Dried King.
Achieve the maximum devotion level in your creed.
Take an oath to The Iron Ones.
Aid a despondent thief.
Defeat the Third Lamb.
Defeat the Untouched Inquisitor.
Defeat the Disemboweled Husk.
Defeat the Tree of Men.
Defeat the Kraekan Wyrm.
Take an oath to The House of Splendor.
Discover your first brand.
Defeat the False Jester.
Defeat the Kraekan Cyclops.
Defeat the Mad Alchemist.
Defeat the Queen of Smiles.
Take an oath to The Stone Roots.
Defeat the Sodden Knight.
Claim your first sanctuary.
Take an oath to The Three.
Defeat the Unspeakable Deep.