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