Here is the full list of all 31 Dishonored: Death of the Outsider trophies - there are 18 bronze, 6 silver, 6 gold and 1 platinum.
Earn all trophies
Finish the Original Game+
Complete all contracts
Push an enemy to his demise using Void Strike
Make 3 people vomit using a single bottle of Plagued Spirit
Return the Outsider to the mortal world
Finish the game without being detected
Kill the Outsider
Destroy an Envisioned cultist
Touch the Eye of the Dead God
Send someone flying 40 meters using Hook Mines
Shoot a guard in the head with a fountain pen
Drop Ivan Jacobi through the trapdoor
Use Semblance to mimic Shan Yun and sing into the microphone
Break 4 Oraculum censers and listen to the prophecies
Use Displace on a marker placed with Foresight and eliminate a target
Make an enemy explode into pieces using Displace
Attend the meeting as Brother Cardoza
Recover the stolen archive
Empty the vault without tampering with any security systems, leaving everyone unharmed and asleep
Obtain an ancient weapon
Open every safe inside the main vault
Send the vault crashing through the floor
Collect all Eleuterio Cienfuegos paintings
Have a guard salute you
Listen to what swarms of rats have to say 5 times
Win the auction at Colibron Plaza
Take both bank vault keys
Steal the audiograph from the gallery without disabling the safeguard floor
Finish a mission without killing anyone
Free the assassin Daud