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