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