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