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