Chapter 1758: Invitation

He Qingfeng trembled with his voice, staring blankly at the elixir in front of him. He had been in the middle stage of Nascent Soul for several months, but his realm had always stagnated. He Qingfeng... let alone the fact that the Yin-Yang Slayers are backed by the headmaster of the Mo Yan Institute. Although the headmaster of the Mo Yan Institute often leaves the chaotic Demon Realm...Even in the c...