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