He's targeting the New River Prince's Mansion.
The royal family of Da Rong indeed deserved to lose their throne, dragging out all the princes and commandery princes of the royal family and beheading them was not an injustice, but only one of them was truly wronged.
There used to be two, but after Chen Zhaoxuan's death, only one remained, and that was Prince Yu, Chen Wansong.
Chen Wansong lived in the Fengxian Hall inside the Imperial City for most of his life, so he didn't harm the common people, but none of his descendants are innocent.
And at the New River Prince's Mansion in front of you, it's estimated that none of even a thousand people you could cut down would be innocent.
"Hang this on the flagpole, and then proceed!" Yang Zhenshan took out a golden token and tossed it to the ship's captain.
