Here is the full list of all 40 Thronebreaker: The Witcher Tales trophies - there are 16 bronze, 21 silver, 2 gold and 1 platinum.
Get all trophies.
Read all spymaster letters.
Find all golden chests.
Collect 15 Treasure Maps.
Finish the Thronebreaker campaign.
Complete the main story line for Rivia.
End a round with a score of over 300.
Obtain all weapons.
Find an Easter Egg.
Own at least one copy of each non-Reynard, non-Gascon unit.
Complete the main story line for Angren.
Defeat Gernichora.
Fully upgrade your army camp.
Unlock all of Raynard's Buildings.
Unlock all of Gascon's Buildings.
Kill count Caldwell.
Train your first Gascon Unit.
Complete the main story line for Mahakam.
Recruit Barnabas Beckenbauer into your army.
Defeat Kelltulis the dragon.
Complete 20 Puzzles.
Train your first Raynard Unit.
Pray at 10 Shrines.
Complete the main story line for Aedirn.
Recruit Isbel into your army.
Defeat Eldain.
Gather 5,000 wood throughout the game.
Play 5 or more characters in one battle.
Recruit the dog into your army.
Kill 9 enemies simultaneously.
Complete the main story line for Lyria.
Obtain 10 trinkets.
Recruit 200 Soldiers.
Recruit Eyck into your army.
Kill the Manticore.
Use Meve to trigger allies' Loyal abilities 100 times.
Earn 10,000 or more gold.
Win a non-Puzzle Battle without any of your units being killed.
Win a non-Puzzle Battle with less than 10 damage taken in total.
Finish the Thronebreaker tutorial.