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.
Helped Madeleine open her shop.
Raised a person's affinity to the maximum.
Changed your main pawn's vocation.
Completed game in Hard Mode.
Put an end to all things.
Dealt the blow of deliverance.
Took refuge in an illusion.
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.
Obtained the almighty power of sovereignty.
Completed the urgent mission.
Received the duke's commendation.
Entered the ancient quarry.
Entered the Soulflayer Canyon.
Visited 100 locations.
Dressed a male party member in women's clothing.
Attended an audience with the duke.
Entered the southwestern caves.
Received a writ from the castle.
Used a Wakestone to restore the dead to life.
Obtained a forgery.
Visited 50 locations.
Acted as a reliable travel companion.
Combined two materials to make an item.
Changed your vocation.
Entered Gran Soren.
Enlisted a pawn to your party from beyond the rift.
Earned the approval of the Enlistment Corps.
Entered the azure caverns.
Directly enlisted a pawn to your party.
Summoned your own pawn.
Departed from Cassardis.
Completed the prologue.
Soar unto a new world.
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 350 pieces total of weapons and armor.
Gave 50 presents.
Entered the duke's manse.
Visited 150 locations.
Completed the adventure a second time.
Earned a total of 10,000,000G.
Defeated Death in Bitterblack Isle.
Defeated Daimon for the first time.
Defeated Daimon in his true form.
Reached LV 100.
Reached LV 200.
Defeated the Gazer in Bitterblack Isle.
Defeated the Dark Bishop in Bitterblack Isle.
Completed game in Speedrun mode.