C596 Hexagonal Sealing

After sealing Fang Hongjian, Xia Qianyu was a little happy as she said while panting heavily, "This is great, Senior Brother Tang Ao. My six seals can seal him for ten breaths of time." However, Tang Ao frowned slightly as he looked at the indistinct sneer on the corner of Fang Hongjian's mouth. Tang Ao had never seen this secret technique before