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