C649 Refining black devil

Liu Xing did not expect Little loli to do anything. He placed all his hopes on Ye Xiaomi!

"Although Black Demon's strength has not been restored, he has already reached the Great Perfection of the Late Nascent Soul Stage. Master will teach you the Contract Technique, and you will place a slave contract on him and take him in as your servant. In the future, you will be your free fighter