Here is the full list of all 44 Warriors Orochi 3 Ultimate achievements worth 1,000 gamerscore.
Used the Craft command for the first time.
Cleared Gauntlet Mode for the first time.
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.
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 "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.
Defeated 10,000 enemies.
Obtained a Mystic Weapon for the first time.
Changed your character's battle style.
Unlocked Momiji, Kasumi, Sterkenburg and Sophitia as playable characters.
Summoned an ally for the first time in Gauntlet Mode.
Completed a request for the first time in Gauntlet Mode.
Made it through 50 Survival battles in Duel Mode.
Promoted a single officer a total of 3 times.
Defeated an Otherworld Invader in Gauntlet Mode.
Cleared a stage for the first time in Gauntlet Mode.
Used a Strategy Card for the first time in Duel Mode.
Used a True Musou Burst.
Played Survival for the first time in Duel Mode.
Used an aerial Special Attack.
Obtained a Scroll of Enlightenment.
Accomplish all of the Achievements in the game.
Obtain all of the Strategy Cards in the game.
Perform all of the special Triple Rush attacks.
Obtain all of the Mystic Weapons.
Use the Craft command 100 times.
Unlock all of the playable characters within Gauntlet Mode.
Complete all of the requests within Gauntlet Mode.
Clear all of the stages within Gauntlet Mode.
Max out the Bonds with one of the following officers: Momiji, Kasumi, Sterkenburg or Sophitia.
Clear the stage "The Imprisonment of Tamamo" in Story Mode.
Clear a battlefield in Musou Battlefields for the first time.
Clear 5 straight stages in Gauntlet Mode.
Perform a Formation Attack in Gauntlet Mode.
Change the color of an officer's costume.
Play a match against the CPU for the first time in Duel Mode.
Play a match online or with another player for the first time in Duel Mode.
Use a special Triple Rush attack.
Perform a mounted True Triple Attack.