Though Li Yan could see the sea and sky, he also sensed faint formation fluctuations above the island. A great formation enveloped the entire island.
How powerful was this formation? Li Yan did not know, and Ge Feng had never mentioned it, but anyone would assume it was formidable.
After stepping out of the cave entrance, the two temporarily stopped talking. Gong Chenying saw Li Yan first look around, then glance overhead. She knew he must have learned something about Prison Scale Island and was habitually comparing that information against the actual surroundings.
No one would willingly fly all the way to this stretch of sea rather than use the clan's teleportation formation. That was why cultivators were said never to appear in the surrounding waters. Even so, the Tianli Clan's formation covering this place possessed extremely powerful concealment capabilities.
They still did not want anyone to know this place existed. Thus, even if someone did fly past, all they would see below was a small reef, one that would periodically vanish beneath the sea with the tides.
"Junior Brother, even Body Integration Realm cultivators would have trouble detecting this great formation. And once it comes under attack, as long as supreme-grade spirit stones are used to power it, both its offense and defense can match a cultivator at the late stage of the Body Integration Realm!"
When they were alone, Gong Chenying still called Li Yan Junior Brother, but she felt it was somewhat inappropriate in front of others.
She knew her junior brother must have sensed the formation enveloping this place. Li Yan's divine sense had always far exceeded his cultivation realm; she was well aware of that!
She also guessed that, upon sensing it, Li Yan had immediately tried to gauge the formation's power. This was a