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