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