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.
Obtained 350 pieces total of weapons and armor.
Acted as a reliable travel companion.
Entered the duke's manse.
Received the duke's commendation.
Defeated 3,000 enemies.
Raised a person's affinity to the maximum.
Entered the Soulflayer Canyon.
Visited 100 locations.
Attended an audience with the duke.
Entered the southwestern caves.
Helped Madeleine open her shop.
Combined two materials to make an item.
Entered the ancient quarry.
Dressed a male party member in women's clothing.
Used a Wakestone to restore the dead to life.
Obtained a forgery.
Visited 50 locations.
Received a writ from the castle.
Entered Gran Soren.
Changed your vocation.
Earned the approval of the Enlistment Corps.
Changed your main pawn's vocation.
Entered the azure caverns.
Enlisted a pawn to your party from beyond the rift.
Summoned your own pawn.
Departed from Cassardis.
Completed the prologue.
Completed the urgent mission.
Accepted the Godsbane blade.
Peered into the very depths of the world.
Escaped the yoke of eternity.
Dealt the blow of deliverance.
Obtained the almighty power of sovereignty.
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.
Learned all the skills of a single vocation.
Defeated a hydra or archydra.
Defeated an evil eye.
Defeated a drake, wyrm, and wyvern.
Defeated the Ur-Dragon.
Directly enlisted a pawn to your party.
Enlisted a large number of pawns.
Strengthened equipment in wyrmfire.
Gave 50 presents.
Visited 150 locations.
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.