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