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