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