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