Here is the full list of all 59 Dragon's Dogma: Dark Arisen achievements. It takes around 80-100 hours to unlock all of the achievements on Windows.
Defeated Death in Bitterblack Isle.
Enlisted a large number of pawns.
Completed game in Speedrun mode.
Completed the adventure a second time.
Reached LV 200.
Defeated the Ur-Dragon.
Obtained the almighty power of sovereignty.
Completed all pre-planned, non-notice board quests.
Defeated Daimon in his true form.
Defeated Daimon for the first time.
Defeated the Dark Bishop in Bitterblack Isle.
Defeated the Gazer in Bitterblack Isle.
Completed game in Hard Mode.
Put an end to all things.
Dealt the blow of deliverance.
Took refuge in an illusion.
Soar unto a new world.
Obtained 350 pieces total of weapons and armor.
Defeated a hydra or archydra.
Directly enlisted a pawn to your party.
Defeated a drake, wyrm, and wyvern.
Escaped the yoke of eternity.
Defeated an evil eye.
Peered into the very depths of the world.
Accepted the Godsbane blade.
Reached LV 100.
Earned a total of 10,000,000G.
Learned all the skills of a single vocation.
Strengthened equipment in wyrmfire.
Visited 150 locations.
Completed the urgent mission.
Entered the duke's manse.
Completed 50 notice board quests.
Received the duke's commendation.
Gave 50 presents.
Helped Madeleine open her shop.
Defeated 3,000 enemies.
Raised a person's affinity to the maximum.
Attended an audience with the duke.
Entered the Soulflayer Canyon.
Visited 100 locations.
Entered the southwestern caves.
Dressed a male party member in women's clothing.
Obtained a forgery.
Entered the azure caverns.
Used a Wakestone to restore the dead to life.
Acted as a reliable travel companion.
Visited 50 locations.
Entered the ancient quarry.
Received a writ from the castle.
Changed your main pawn's vocation.
Changed your vocation.
Entered Gran Soren.
Combined two materials to make an item.
Earned the approval of the Enlistment Corps.
Enlisted a pawn to your party from beyond the rift.
Summoned your own pawn.
Departed from Cassardis.
Completed the prologue.