C519 The Secret of the Black Iron Fragment

"I am the founder of Sword Immortal Hall, Mo Lee. You can call me Big Brother Mo." Mo Lee said with a smile.

"I don't dare to call you Big Brother. It's better to call you Palace Master Mo. After all, we're not very familiar with each other. " I'm only here to hear how we're going to cooperate. If it's meaningless, I'll leave very soon. " Lee Shaoyu said in a deep voice