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