Here is the full list of all 44 Warriors Orochi 3 Ultimate achievements worth 1,000 gamerscore.
Accomplished all of the Achievements in the game.
Performed all of the special Triple Rush attacks.
Completed all of the requests within Gauntlet Mode.
Obtained all of the Strategy Cards in the game.
Cleared all of the stages within Gauntlet Mode.
Obtained all of the Mystic Weapons.
Cleared the stage "Revenge of the Fox" in Story Mode.
Unlocked all of the playable characters within Gauntlet Mode.
Played a match online or with another player for the first time in Duel Mode.
Found Kyūbi's nine tails and defeated them.
Found Kyūbi's tail and defeated it for the first time in Story Mode.
Cleared the stage "Escape from the Mystic Realm" in Story Mode.
Cleared the stage "Rescue of the Mystics" in Story Mode.
Cleared the stage "Showdown at Odawara Castle" in Story Mode.
Cleared the stage "War against the Serpent King" in Story Mode.
Made it through 50 Survival battles in Duel Mode.
Unlocked Yinglong as a playable character.
Cleared the stage "Battle of Itsukushima" in Story Mode.
Used a special Triple Rush attack.
Unlocked Momiji, Kasumi, Sterkenburg and Sophitia as playable characters.
Cleared the stage "The Imprisonment of Tamamo" in Story Mode.
Performed a mounted True Triple Attack.
Used the Craft command 100 times.
Cleared 5 straight stages in Gauntlet Mode.
Maxed out the Bonds with one of the following officers: Momiji, Kasumi, Sterkenburg or Sophitia.
Performed a Formation Attack in Gauntlet Mode.
Obtained a Mystic Weapon for the first time.
Cleared Gauntlet Mode for the first time.
Defeated 10,000 enemies.
Promoted a single officer a total of 3 times.
Cleared a battlefield in Musou Battlefields for the first time.
Played Survival for the first time in Duel Mode.
Changed the color of an officer's costume.
Defeated an Otherworld Invader in Gauntlet Mode.
Completed a request for the first time in Gauntlet Mode.
Used the Craft command for the first time.
Summoned an ally for the first time in Gauntlet Mode.
Cleared a stage for the first time in Gauntlet Mode.
Used an aerial Special Attack.
Used a Strategy Card for the first time in Duel Mode.
Played a match against the CPU for the first time in Duel Mode.
Used a True Musou Burst.
Changed your character's battle style.
Obtained a Scroll of Enlightenment.