Here is the full list of all 15 Hellblade: Senua's Sacrifice trophies - there are 5 silver, 9 gold and 1 platinum.
Reaching the Gate for the first time
Collect all of the other trophies
Defeat Surtr
Defeat Valravn
Meet Hela for the first time on the Bridge
Complete the Blindness Shard Challenge
Complete the Tower Shard Challenge
Complete the Swamp Shard Challenge
Complete the Labyrinth Shard Challenge
Pull Gramr out of the Tree
Escape the Sea of Corpses
Enter Helheim
Defeat Fenrir
Confront Hela
Collect all of the Lorestones