C2469 Grandpa's Clues

The so-called Poisonous Gu Gene Project was to extract the genes of toads, centipedes, and other poisonous insects and inject them into the bodies of other creatures.

In this way, as long as one could control the poisonous Gu genes, it also meant that one could control the organisms that were injected into the Poisonous Gu genes.

Not only that