As competitors, there was probably discontent between them because of the Unbounded Sky Pillar. 

They competed in speed with various dao techniques and other means without holding anything back. 

Naturally, they wouldn't want to see each other. Therefore, they separated a little and kept away from each others' sight. 

An alliance of three or even two wouldn't be possible in this contest. This was because there would only be one person who would be awarded the Unbounded Sky Pillar in the end. 

The truth was, killing the Ghostly Artificer would be daunting. However, merely locating him would be equally challenging. 

"The deepest area of the Infernal Inferno is where the Ghostly Yan Tribe is gathered. It has been a long time since any martial cultivator has returned alive after entering it. No one knows the situation within. Typically, the Ghostly Yan Tribe would retreat to this depth. If the Ghostly Artificer is to hide in the deepest area, it would really be difficult to find him. Moreover, there are innumerable experts of the Ghostly Yan Tribe in that vicinity." 

Wu Yu wasn’t a match for the Ghostly Artificer at this moment. Therefore,...