C257 Whose poison was administered?

Although mother was not a broad-minded person, he would not need to use such a heavy hand. The only possibility was the Empress, but why did she do so?

"This is no ordinary evil technique, I can even feel a powerful force coming from the corpse, it makes me feel a little breathless." Feng Shaoyun closed his eyes and once again found the terrifying scene of him being trapped in the well