C55 Exorcism

Yin Siji looked at Tang Yi for a long time, his expression was resolute, his eyes firm, his aura calm.

"It's not impossible for me to teach you." Yin Siji said indifferently: "The problem is what you can use in return for this old man."

Tang Yi frowned slightly, "What does master want?"

Humph!

Yin Siji sneered: "What this old man wants