C375 Ghost tower of unknown zone

I was attacked from the sky and felt like my body was going to split open, but I bit the steel tooth, bit the tip of my tongue, lifted the crystal mask, and sprayed the 'Black Qi substance' onto the leader's seal. I howled in anger, "Sky fire, kill."

Bang!

This time, more than enough 'Source Energy' had been sacrificed. The sect leader's seal had released the stored Sky Fire