C237 Development of Strength

Nie Xiaoqian was stunned and could not help but ask, "Young Master, Black Mountain Old Demon has ten thousand years of cultivation. How can I help you?"

"Can you take me to Black Mountain Old Demon's territory?" Tian Yu asked.

Nie Xiaoqian shook her head and said, "I'm sorry, Young Master. The City of Existence is Black Mountain Old Demon's territory. If he doesn't open the passage