C1022 Summoning the Sky Fiend

Extraterrestrial Sky Fiends were divided into low grade, medium grade, advanced grade, and even higher grade Sky Fiend King.

The strength of a low grade Sky Fiend was equivalent to the Golden Core of human cultivators. The medium grade Sky Fiend was at the Nascent Infant realm, and the advanced grade Sky Fiend was at the Void Discerning realm. As for the Sky Fiend King