C180

When Qin Feng faced the gray-haired old man, he cast bite type venom.

This was also the most terrifying venom, it could make people feel that it was alive, and in the entire painful process, even if they wanted to die, they would not be able to do so.

This was because this kind of venom would first bite the gray-haired old man's muscles and blood vessels, and then when it avoided blood vessels