C698 first battle dark Gu

Just at that moment, a strange black shadow suddenly appeared behind Gu Tianchen.

"Chi!"

The black figure turned into a blade that was an inch long, releasing a sharp aura, and quickly pierced through the air towards Gu Tianchen's back.

"I was waiting for you!"

Gu Tianchen, who was using the Way of Time and the giant black palm to fight, suddenly laughed sinisterly