Here is the full list of all 50 Dragon's Dogma: Dark Arisen achievements worth 1,000 gamerscore.
Completed the adventure a second time.
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 the Ur-Dragon.
Earned a total of 10,000,000G.
Obtained 350 pieces total of weapons and armor.
Defeated a drake, wyrm, and wyvern.
Defeated a hydra or archydra.
Defeated an evil eye.
Peered into the very depths of the world.
Accepted the Godsbane blade.
Obtained the almighty power of sovereignty.
Visited 150 locations.
Entered the duke's manse.
Enlisted a large number of pawns.
Strengthened equipment in wyrmfire.
Learned all the skills of a single vocation.
Gave 50 presents.
Completed 50 notice board quests.
Helped Madeleine open her shop.
Obtained a forgery.
Completed the prologue.
Departed from Cassardis.
Summoned your own pawn.
Earned the approval of the Enlistment Corps.
Directly enlisted a pawn to your party.
Acted as a reliable travel companion.
Entered the azure caverns.
Entered Gran Soren.
Enlisted a pawn to your party from beyond the rift.
Changed your main pawn's vocation.
Combined two materials to make an item.
Entered the ancient quarry.
Visited 50 locations.
Received a writ from the castle.
Attended an audience with the duke.
Changed your vocation.
Used a Wakestone to restore the dead to life.
Visited 100 locations.
Received the duke's commendation.
Completed the urgent mission.
Defeated 3,000 enemies.
Dressed a male party member in women's clothing.
Raised a person's affinity to the maximum.
Entered the Soulflayer Canyon.
Entered the southwestern caves.