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