C5415 Demonic Beast Formation(part Iii)

"Damn it! What kind of Formation is this!? It can actually block my Undead Army? "

After Skeleton King witnessed the scariness of this Formation, he muttered to himself in puzzlement.

At this moment, a Level-two Demon Emperor who was fighting Skeleton King had a cold smile on his face.

"Humph! I never thought that you, a pile of stinky bones, would have some ability to fight me until now