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