Here is the full list of all 50 Dragon's Dogma: Dark Arisen achievements worth 1,000 gamerscore.
Dealt the blow of deliverance.
Defeated the Ur-Dragon.
Completed the adventure a second time.
Took refuge in an illusion.
Soar unto a new world.
Completed all pre-planned, non-notice board quests.
Obtained the almighty power of sovereignty.
Earned a total of 10,000,000G.
Entered the duke's manse.
Enlisted a large number of pawns.
Put an end to all things.
Escaped the yoke of eternity.
Defeated a drake, wyrm, and wyvern.
Completed 50 notice board quests.
Defeated a hydra or archydra.
Defeated an evil eye.
Peered into the very depths of the world.
Strengthened equipment in wyrmfire.
Accepted the Godsbane blade.
Visited 150 locations.
Completed the urgent mission.
Received the duke's commendation.
Learned all the skills of a single vocation.
Defeated 3,000 enemies.
Entered the Soulflayer Canyon.
Raised a person's affinity to the maximum.
Attended an audience with the duke.
Visited 100 locations.
Changed your main pawn's vocation.
Changed your vocation.
Entered the ancient quarry.
Entered the southwestern caves.
Helped Madeleine open her shop.
Used a Wakestone to restore the dead to life.
Obtained a forgery.
Dressed a male party member in women's clothing.
Acted as a reliable travel companion.
Visited 50 locations.
Directly enlisted a pawn to your party.
Received a writ from the castle.
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.
Obtained 350 pieces total of weapons and armor.
Gave 50 presents.