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