Here is the full list of all 49 Nights of Azure trophies - there are 38 bronze, 8 silver, 2 gold and 1 platinum.
Clear 50% tasks in Colosseum.
Manage 50% trade area.
Done actualizing 80 familiar.
Saw extra ending.
Defeat Christforoth.
Anders reached max level.
Defeat Mistral.
Unlock 100% of the familiar library.
Capture any dungeon with equipping 'Glass edge'.
Capture any dungeon with equipping 'Hamelin pipe'
Done 100 requests.
Transformed into the 'Nightmare form'.
Director familiar for 1,000 times.
Done actualizing 40 familiar.
Saw any endings.
Defeat Roodgate.
Get a 500 chain combo.
Get a 300 chain combo.
Transformed into the 'Iron knight form'.
Any familiar reached max level.
Defeat Corrine.
Unlock 50% of the item library.
Defeat Blueblood Stonedragon.
Trade for the first time.
Unlock 50% of the familiar library.
Defeat Blueblood Reaper.
Summon familiar for 100 times.
Defeat Blueblood Count.
Transformed into the 'Lunarabit form'.
Defeat Blueblood Toy.
Directed familiar for 100 times.
Kill 1,000 enemies.
Transformed into the 'Phantom form'.
Clear any task in Colosseum for the first time.
Done any request for the first time.
Defeat Blueblood Dragon.
Get a 100 chain combo.
Transformed into the 'Demonic form'.
Done actualizing for the first time.
Kill 100 enemies.
Director familiar for the first time.
Summon familiar for the first time.
Unlock all trophies.
Summon familiar for 1,000 times.
Manage all trade area.
Done 300 requests.
Clear all tasks in Colosseum.
Unlock 100% of the item library.
Kill 10,000 enemies.