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