Here is the full list of all 44 WARRIORS OROCHI 3 Ultimate Definitive Edition achievements.
Cleared all of the stages within Gauntlet Mode.
Used the Craft command 100 times.
Played a match with another player for the first time in Duel Mode.
Obtained all of the Mystic Weapons.
Unlocked all of the playable characters within Gauntlet Mode.
Performed a Formation Attack in Gauntlet Mode.
Maxed out Bonds with one of these officers: Momiji, Kasumi, Sterkenburg or Sophitia.
Cleared 5 straight stages in Gauntlet Mode.
Cleared a battlefield in Musou Battlefields for the first time.
Performed all of the special Triple Rush attacks.
Used a special Triple Rush attack.
Made it through 50 Survival battles in Duel Mode.
Cleared Gauntlet Mode for the first time.
Defeated 10,000 enemies.
Used the Craft command for the first time.
Completed a request for the first time in Gauntlet Mode.
Summoned an ally for the first time in Gauntlet Mode.
Played Survival for the first time in Duel 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.
Cleared a stage for the first time in Gauntlet Mode.
Defeated an Otherworld Invader in Gauntlet Mode.
Found Kyūbi's nine tails and defeated them.
Changed the color of an officer's costume.
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 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.
Obtained a Mystic Weapon for the first time.
Cleared the stage "The Imprisonment of Tamamo" in Story Mode.
Unlocked Momiji, Kasumi, Sterkenburg and Sophitia as playable characters.
Performed a mounted True Triple Attack.
Promoted a single officer a total of 3 times.
Used a True Musou Burst.
Used an aerial Special Attack.
Obtained a Scroll of Enlightenment.
Changed your character's battle style.
Accomplished all of the Achievements in the game.
Obtained all of the Strategy Cards in the game.
Completed all of the requests within Gauntlet Mode.