Fantasy: Unlimited Returns, Accidentally Become Invincible

Ning Chen traveled to a fantasy world where the weak preyed on the strong, and became the elder of the inner sect of the Xuanyuan Sect! The start is bound to an unlimited return system for skills, spiritual weapons, cultivation, elixirs, opportunities, etc. You can get a critical hit return as long as you give it away! Bite! The host cures the apprentice's cold poison and triggers a 10,000-fold critical hit in return! Obtain the physique 'Tiandao Holy Body'! Bite! The host's gift of Nourishing Qi will trigger a 10,000-fold critical hit return! Obtain the Taiyi Aoki Jue! Bite! The host gives the apprentice a Qi-inducing pill, which triggers a 10,000-fold critical hit and returns it! Get the elixir 'Xuan Yang Dan'! ... Villains: Damn it, how strong are you? ! Ning Chen: I am invincible below the immortals, but I am still invincible above the immortals! The introduction is weak, please read the contents of the book! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.