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