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