Full list of all 43 Death's Gambit achievements.
The base game contains 34 achievements, and there is 1 DLC pack containing 9 achievements.
Slay the Owlking boss using only kicks
Slay Endless in heroic
Defeat 12 bosses in Heroic
Slay Endless
Unlock 14 talent points
Enchant a weapon or equipment to +10
Slay Amulvaro in heroic
Slay the Eldritch Council in heroic
Slay the Dark Knight in heroic
Slay Bysurge in heroic
Slay Origa in heroic
Slay the Bulwark in heroic
Slay the Tundra Lord in heroic
Slay Cusith in heroic
Slay the Forgotten Gaian in heroic
Slay the Soul of the Phoenix in heroic
Recover all boss journals
Obtain all 7 feather upgrades
Slay the Eldritch Council
Die 50 times
Slay the Owlking in heroic
Slay Cusith
Slay Amulvaro
Slay Bysurge
Escape Thalamus
Slay the Dark Knight
Slay Origa
Slay the Tundra Lord
Slay the Bulwark
Slay the Forgotten Gaian
Slay the Soul of the Phoenix
Execute a parry
Slay the Owlking
Kill the final boss without quitting the game and in under 4 hours from starting the game and without leveling up.
Slay the Aberrant AI
Slay the Grey Mage
???
Slay Wrath King Sirad
Slay Heroic Grey Mage
Slay Heroic Wrath King Sirad