Immortal Mansion in the Sword

A flying sword that looks rusty, but it seals a spiritual paradise and an ancient sword cultivation sect! In the age of cultivation when spiritual energy was scarce, Ling Feng, a young cultivator, accidentally got a rusty flying sword. He discovered that the sword actually contained the "Tianjian Sect", a sect that was once all-powerful tens of thousands of years ago and even unified the cultivation world. Even the aura-rich Cave Heaven Paradise where Tianjian Sect is located was also sealed in it. Reiki! Kung Fu! Rare medicinal materials and so on. These things that later generations of cultivators fought for desperately, he could easily obtain from the "Sword Mansion", and as his cultivation level improved, the Jian Mansion could also cooperate with the flying sword to launch attacks that would frighten the enemy...