Cultivation: I Just Transmigrated, and the System Already Ran Off

[Multiple heroines + pocket dimension + Cao Aman] [Perfect World arc, Soul Land arc, Martial Universe arc, Firmament arc...] The protagonist is Cao Wufeng. After a stroke of incredible luck, he transmigrates to the Nine Provinces Continent. Just after he transmigrates, his System proves no match for the Heavenly Dao and runs away. By chance, it leaves behind a mysterious pocket dimension, along with a portal that lets him travel between planes... “Master, I’ve reached the Golden Core realm. Let me test my strength against you!” “Shi Hao, women will only slow down your cultivation. I’m only saying this for your own good!” “Tang Chuan, I’m taking your scabbard!” “Han Feiyu, why have you put yourself between everyone and danger again?” [The synopsis doesn’t do it justice. Please read the story itself.]