C440 Life-saving sound transmitting

Then, I followed the steps I saw on the Compendium of Laws of the Ghost Realm and did it step by step. Finally, I dripped a drop of my blood on the sound transmitting talisman and lightly cried out.

"Hey, hey, hey!"

I shouted a few times but didn't reply.

I thought, Did I fail? That's right, my standards are still far from satisfactory. Summoning Gu Lvhan wouldn't be an easy task either