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