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