Old ghost Zhai Xing frowned slightly as he looked at Zi Yan, who was blocking in front. His eyes rotated twice over the latter. For some unknown reason, he discovered that he was actually unable to see through Zi Yan's actual strength. While he could not see through it, he could still sense that Zi Yan was unable to pose much of a threat to him.
"Perhaps it is some unique items that can shield one's aura…"
Old ghost Zhai Xing muttered to himself within his heart. Immediately, his eyes turned towards Xiao Yan behind. At this moment, the latter shook the ring on his finger after summoning three types of Heavenly Flames. A wisp of dense white flame slowly rose from it.
"Four types of Heavenly Flames…"