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