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