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