C517 Xiao Chen's Conspiracy

Gu Yuan nodded and said, "I've put some effort into the runes, but it's really just building on the work of those before me. It's not much of an improvement."

Kongwen shook his head, replying, "You don't need to be so modest. I've studied explosive talismans myself, and the ones I create aren't nearly as powerful. They might just scratch the surface if they hit someone