Fantasy: I have a return system with ten thousand times the effect of cultivation

Introduction: Yang Feng traveled to the fantasy world, and awakened the ten-thousand-fold return system of cultivation effect. No matter what he cultivated, the cultivation effect would be returned ten thousand-fold.Ding!You have practiced the Body Tempering Jue once, and the training effect will be returned ten thousand times, and your power speed will be doubled.Ding!You have practiced the Tiger Fist once, and the training effect will be returned ten thousand times. Your Tiger Fist has been mastered, and the power of the Tiger Fist is doubled when you comprehend the meaning of the Tiger Fist.Ding!You have carved a rune once, and the cultivation effect will be returned ten thousand times, and your rune skills have reached the proficient level, and you can make runes independently.