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