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