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