Fantasy: Contract Twins, I Will Return Ten Thousand Times

Zhang Fan became an ordinary disciple of the Xuanyang Sect and accidentally activated the contract's ten thousand times return system. Any improvement the contract object gets will be returned to Zhang Fan at a certain multiple. There is a pair of twin sisters! My sister is beautiful and noble, with an innate Taoist body. My sister is a different kind of cave, an ancient holy body. "The contract partner, Murong Bing, has raised his cultivation level to the Dan Formation stage, and will return it a hundred times, and the host has been raised to the Nascent Soul stage!" "The contract partner, Murong Xue, gets the spiritual pet Flame Spirit Kun Beast, which will be returned ten thousand times, and the host gets the ancient beast Phoenix!" "The contract partner, Murong Bing, received the ultimate spiritual sword Tai'a Sword, which will be returned ten thousand times, and the host received the ancient divine weapon "The Immortal Killing Sword"!" "The contract partner, Murong Xue, received the earth-level skill "Body Training". The junior will return it, and the host will receive the immortal skill "Eight-Nine Mysterious Skills"!" Murong Bing: "Junior brother, come to my room today and I will teach you how to practice!" Murong Xue: "Come here, I learned a fusion technique today, junior brother, I will teach you."