The Demon Eye of a Mortal's Journey to Immortality

(A Fanfiction of "A Record of a Mortal's Journey to Immortality") (Early Anime Plot) (Schrödinger's Female Lead) In the world of cultivation, the path is ruthless, and the strong prey on the weak. Mu Chunfeng, a transmigrator, was originally a mediocre cultivator from the Yue Kingdom. He unexpectedly awakened his innate double pupils, using his heaven-defying pupil technique to slay powerful enemies and seize opportunities, reaching the pinnacle of the human realm within centuries. However, on the verge of ascension, he discovers that these extraordinary pupils have long been coveted by powerful beings in the spirit world. Faced with the deadly predicament of entering a tiger's den upon ascension, Mu Chunfeng has no way out but to use his double pupils to break through all laws and force his way into the spirit world to carve out a path to immortality!