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