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