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