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