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 Gazer in Bitterblack Isle.
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.
Used a Wakestone to restore the dead to life.
Completed 50 notice board quests.
Raised a person's affinity to the maximum.
Helped Madeleine open her shop.
Attended an audience with the duke.
Visited 100 locations.
Entered the southwestern caves.
Received a writ from the castle.
Visited 50 locations.
Acted as a reliable travel companion.
Entered the ancient quarry.
Changed your main pawn's vocation.
Changed your vocation.
Entered Gran Soren.
Entered the azure caverns.
Earned the approval of the Enlistment Corps.
Enlisted a pawn to your party from beyond the rift.
Summoned your own pawn.
Combined two materials to make an item.
Departed from Cassardis.
Completed the prologue.
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 all pre-planned, non-notice board quests.
Learned all the skills of a single vocation.
Defeated 3,000 enemies.
Defeated a hydra or archydra.
Defeated a drake, wyrm, and wyvern.
Defeated the Ur-Dragon.
Directly enlisted a pawn to your party.
Enlisted a large number of pawns.
Obtained a forgery.
Obtained 350 pieces total of weapons and armor.
Dressed a male party member in women's clothing.
Gave 50 presents.
Entered the duke's manse.
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 Dark Bishop in Bitterblack Isle.
Completed game in Speedrun mode.