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.
Obtained all of the Mystic Weapons.
Completed all of the requests within Gauntlet Mode.
Obtained all of the Strategy Cards in the game.
Used the Craft command 100 times.
Performed all of the special Triple Rush attacks.
Used a special Triple Rush attack.
Cleared all of the stages within Gauntlet Mode.
Unlocked all of the playable characters within Gauntlet Mode.
Used the Craft command for the first time.
Defeated 10,000 enemies.
Cleared 5 straight stages in Gauntlet Mode.
Played a match online or with another player for the first time in Duel Mode.
Cleared Gauntlet Mode for the first time.
Obtained a Mystic Weapon for the first time.
Completed a request for the first time in Gauntlet Mode.
Performed a Formation Attack in Gauntlet Mode.
Summoned an ally for the first time in Gauntlet Mode.
Cleared a stage for the first time in Gauntlet Mode.
Defeated an Otherworld Invader in Gauntlet Mode.
Cleared a battlefield in Musou Battlefields for the first time.
Found Kyūbi's nine tails and defeated them.
Cleared the stage "Revenge of the Fox" in Story Mode.
Cleared the stage "Escape from the Mystic Realm" in Story Mode.
Cleared the stage "Rescue of the Mystics" in Story Mode.
Unlocked Momiji, Kasumi, Sterkenburg and Sophitia as playable characters.
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.
Maxed out the Bonds with one of the following officers: Momiji, Kasumi, Sterkenburg or Sophitia.
Performed a mounted True Triple Attack.
Promoted a single officer a total of 3 times.
Made it through 50 Survival battles 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.
Used a Strategy Card for the first time in Duel Mode.
Played Survival for the first time in Duel Mode.
Used an aerial Special Attack.
Obtained a Scroll of Enlightenment.