Here is the full list of all 22 The Order: 1886 trophies - there are 14 silver, 7 gold and 1 platinum.
Shoot an airborne grenade during Blacksight
Incinerate 15 enemies
Complete the game (any difficulty)
Kill 25 enemies during Blacksight
Kill an enemy with every weapon
Kill 10 Lycans
Stun an enemy 30 times with the M2 ‘Falchion'
Kill 7 enemies with silent takedowns
Kill 5 enemies with a headshot during Blacksight
Kill 15 enemies with melee attacks
Kill 25 enemies without aiming
Kill 40 enemies with science weapons
Detonate 10 powder kegs
Kill 75 enemies with pistols
Kill 100 enemies with a headshot
Kill 3 enemies with a single explosion
Collect all Trophies
Find all inspect items
Collect all phonograph cylinders
Inspect all newspapers
Inspect all photographs and documents
Inspect all objects