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