C241 What Was Tang Xiaofan's Trump Card?

The other Top Level Castle Lords were ready to refuse on the spot, but Lao Wang didn't hesitate for a second before saying, "Sure!"

The Black Dragon Castle Lord, seeing how quickly he agreed, led his dozens of Dark Giant Dragons to join the ranks of the Anti-devil Alliance's army.

In a hushed tone, Old Xu questioned, "Lao Wang, why did you agree to his request?"

The short