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