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