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