C310 Rapid Development

"Please enlighten me, Lord!"

The four expert at Innate Stages said with great joy at the same time.

"Relax, sign the master-servant contract with me!"

Niu Li said with a smile.

"Master and servant contract?" The four of them were confused.

"It's very simple, that's it." Niu Li said, and stretched out his hand. Four purple dots of light appeared on his finger.

"Don't resist