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