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