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