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