C1487 Lamb into Wolf's Mouth

The Snake Nail Needle was an extremely sinister hidden weapon.

These concealed weapons were usually made by combining the venom of five kinds of poisonous snakes and smearing them on the surface of the swords and needles.

If he was poisoned, it was said that even Budo Grandmaster, if he was not treated in time, would die within half an hour from the poison invading his internal organs