The reason for the sudden chill was because they could clearly see six deep red Physical Jewels glowing around the right hand of the black clad girl, showing a large contrast with her black outfit.
Amongst Physical Jewels, the Red Jade referred to coordination, and the pure colour also signalled that she was a Heavenly Jewel Master. None of the team members had expected that someone so young like her, looking only sixteen years old, could have such a powerful cultivation level! Furthermore, with her movement like a black mist earlier, it showed that her Elemental Jewel had at least the Darkness Greater Attribute!
Something out of the ordinary definitely signified something was up, and a sense of danger sparked in all their hearts. Lin TianAo quickly shouted. “Crow, come back!”