C434 Flaming Devil's Den 5

What was even more puzzling was that Ling couldn't enter the Flaming Devil's Den, so just now... Could it be that there was an even more mysterious and powerful force in this world?

"Senior, please come out and meet me. Yunyue is very grateful." Yunyue said.

Actually, she wanted that person to come out not only because Yunyue wanted to thank that person. More importantly