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