chapter 212 Have you heard of the Southern School?

"Poison?"
Qadry and his wife were so frightened that their faces turned pale.
"You want to poison us?" Mother Hans was so frightened that her whole body was trembling as if she had been electrocuted.
"Don't worry, it's a chronic poison, it won't kill you for a while." Michael smiled lightly, "Look at your arms!"
The two heard the sound and hurriedly rolled up their sleeves to take a look.
But a thin purple line suddenly appeared on their arms, which seemed to be their blood vessels.
"This...