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