C4

The imperial physician couldn't determine what poison Empress had been poisoned with.

Helian Junyan glared icily at the imperial physician who was trembling on his knees, her sword-like eyebrows furrowing even tighter.

He knew that the poison was from Zuo Qian, and he also knew that with Zuo Qian's character, since he wanted Empress to die, he definitely wouldn't let the poison have an antidote