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