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