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 all pre-planned, non-notice board quests.
Completed the adventure a second time.
Defeated Daimon in his true form.
Obtained 350 pieces total of weapons and armor.
Defeated Death in Bitterblack Isle.
Defeated Daimon for the first time.
Reached LV 100.
Defeated the Dark Bishop in Bitterblack Isle.
Defeated the Gazer in Bitterblack Isle.
Obtained the almighty power of sovereignty.
Entered the duke's manse.
Earned a total of 10,000,000G.
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.
Entered the southwestern caves.
Entered the Soulflayer Canyon.
Learned all the skills of a single vocation.
Defeated a drake, wyrm, and wyvern.
Visited 150 locations.
Dressed a male party member in women's clothing.
Directly enlisted a pawn to your party.
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.
Helped Madeleine open her shop.
Completed 50 notice board quests.
Defeated 3,000 enemies.
Gave 50 presents.
Obtained a forgery.
Raised a person's affinity to the maximum.
Attended an audience with the duke.
Visited 100 locations.
Changed your main pawn's vocation.
Used a Wakestone to restore the dead to life.
Acted as a reliable travel companion.
Entered the ancient quarry.
Received a writ from the castle.
Visited 50 locations.
Changed your vocation.
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.
Defeated the Ur-Dragon.
Enlisted a large number of pawns.
Completed game in Hard Mode.
Reached LV 200.
Completed game in Speedrun mode.