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.
Escaped the yoke of eternity.
Defeated a hydra or archydra.
Defeated an evil eye.
Peered into the very depths of the world.
Accepted the Godsbane blade.
Strengthened equipment in wyrmfire.
Completed the urgent mission.
Received the duke's commendation.
Directly enlisted a pawn to your party.
Visited 100 locations.
Raised a person's affinity to the maximum.
Attended an audience with the duke.
Entered the ancient quarry.
Used a Wakestone to restore the dead to life.
Visited 50 locations.
Changed your main pawn's vocation.
Received a writ from the castle.
Entered Gran Soren.
Enlisted a pawn to your party from beyond the rift.
Changed your vocation.
Combined two materials to make an item.
Entered the azure caverns.
Earned the approval of the Enlistment Corps.
Summoned your own pawn.
Departed from Cassardis.
Completed the prologue.
Obtained the almighty power of sovereignty.
Soar unto a new world.
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 drake, wyrm, and wyvern.
Defeated the Ur-Dragon.
Enlisted a large number of pawns.
Obtained a forgery.
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.
Entered the Soulflayer Canyon.
Entered the duke's manse.
Entered the southwestern caves.
Visited 150 locations.
Completed the adventure a second time.
Earned a total of 10,000,000G.
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.