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