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 game in Hard Mode.
Completed the adventure a second time.
Enlisted a large number of pawns.
Dressed a male party member in women's clothing.
Gave 50 presents.
Obtained 350 pieces total of weapons and armor.
Reached LV 200.
Defeated Death in Bitterblack Isle.
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.
Earned a total of 10,000,000G.
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.
Reached LV 100.
Defeated the Ur-Dragon.
Defeated 3,000 enemies.
Completed 50 notice board quests.
Visited 150 locations.
Defeated a hydra or archydra.
Defeated a drake, wyrm, and wyvern.
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.
Changed your main pawn's vocation.
Learned all the skills of a single vocation.
Obtained a forgery.
Helped Madeleine open her shop.
Raised a person's affinity to the maximum.
Entered the Soulflayer Canyon.
Attended an audience with the duke.
Visited 100 locations.
Changed your vocation.
Entered the ancient quarry.
Entered the southwestern caves.
Acted as a reliable travel companion.
Used a Wakestone to restore the dead to life.
Visited 50 locations.
Received a writ from the castle.
Entered Gran Soren.
Directly enlisted a pawn to your party.
Earned the approval of the Enlistment Corps.
Combined two materials to make an item.
Entered the azure caverns.
Enlisted a pawn to your party from beyond the rift.
Summoned your own pawn.
Departed from Cassardis.
Completed the prologue.