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