C417 The Massacre of the Black Flame Tribe

Although there was a soundproof formation in this place, with Liu Fei and Mu Lan's cultivation base, they could still hear some sounds coming from inside. Furthermore, this soundproof formation wasn't that good.

"Kill them!" A subtle sound came from inside. Liu Fei and Mu Lan followed the sound and looked carefully. It turned out to be a huge member of the Black Flame Clan