C123 What kind of poison did he suffer from

Xiang Tingxue was sharp and harsh, she only wanted to protect the child in her belly. She did not expect that the vicious artillery shell would be so weak, and that she would be so angry to the point of vomiting blood.

However, the color of the blood was very strange. Why was it black?

Thinking back to when she was so angry that she spat out blood