C35 Poisoning
As a powerful assassin, when the Blood Cloak appeared, Wu Ying felt that there was still an assassin present.
However, he'd used his assassin methods to search for it, but hadn't been able to find it.
After the reminder, although he found it, the assassin still escaped. He didn't even see who it was, which was why he was so depressed.
However, no one cared about Wu Ying's depression