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