Develop New Abilities Starting from Magic Soldiers

The Arm of the Demon Soldier, the Nen of the Full-time Hunter, the Devil Fruit of One Piece, the Blood Succession Limit of Naruto, the Zanpakutō of the Shinigami... Different worlds have different power systems. As a time traveler, after seeing so many uses of power, how could he still be bound by a single power system framework? Develop, new abilities! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.