C794 Genius of the han xin army

Arsenic was one of the most poisonous creatures of this era. Just a small amount the size of a fingernail was enough to poison a person from a village to death.

Arsenic is also arsenic trioxide, the ancient production technology behind, causing arsenic with small amounts of sulfur and sulfide.

I took a silver coin from my body and rubbed it against the powder on the ground. As expected