Luo Feng listened closely and indeed heard a rumbling noise.
"That's probably the sound of the Paulinus family's people landing on the ground after jumping out the plane" assumed Luo Feng. At the same time, he retracted his spiritual force, shortening it from a 100 meter radius to just a 30 meter radius. Powerful fighters like advanced level wargods can sense the spiritual force that scans across them.
Suddenly--
Luo Feng heard a faint sound of people talking coming from the mist far away.
"Catalan, up ahead is where the nine willow trees' spirits of nature are" Li Yao's voice carried out of the mist as he spoke english fluently.
"Spirits of nature usually aren't that powerful. Li Yao, how come you can't deal with them?" a gloomy sound rose.
As they talked, they walked out of the thick mist.
Luo Feng squinted as he looked through the gaps of the grass.
In front of the group was someone in a black robe. He looked quite peculiar.