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