My Doppelganger Trained Low Martial Arts into Immortal Martial Arts

Su Jie transmigrated to a world of immortal cultivation, without spiritual roots, and his martial arts aptitude was also mediocre. However, Su Jie discovered that he possessed the 【Soul Seal】 talent, as long as he implanted a Soul Seal, regardless of whether it was an animal or a plant, it could become his doppelganger!Furthermore, when the doppelganger cultivates, Su Jie himself can benefit, easily training one martial art after another to the 【Perfect】 realm and even surpassing the limits of Immortal Martial Arts!【Ape Demon Diamond Fist】：Cultivate the Ape Demon Diamond Body, invulnerable to swords and spears, immensely powerful, transforming into a diamond body, capable of overturning mountains with a single blow!【Heavenly Silkworm Divine Skill】：Heavenly Silkworm Nine Transformations, breaking the cocoon into a butterfly, breaking through the life-and-death gate, immortal and indestructible!【Demon Extreme Prajna Dragon Elephant Art】：Awaken the Martial Dao Divine Ability Demon Extreme Prajna, with endless power, changing the wind and clouds, crushing heaven and hell!Not only that, Su Jie also...