C1520 What does it mean

"He has been secretly observing me. What is his purpose?"

Long Bufan squinted his eyes, looking at the powerful man in front of him who could kill him with a raise of a hand, he felt suspicious, and did not know what intentions the other party had.

"Weng —!"

Bai Weng suddenly waved his hand, and an invisible and obscure energy fluctuation instantly swept out with his palm