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