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