The Soul Crack Arrows' whistling sound and the protective shield's roar under attack continued to ring.

Under the intense battle, the Floating Island's sky darkened. It was even dyed red in the Blood Sacrifice of Fiends formation.

Master Magaera gritted his teeth. As he avoided the nonstop arrows, he continued to move between the 18 blood-colored light beams as he tried to find the key to cracking the formation.

However, the Blood Sacrifice of Fiends formation was Archfiend Antigonus's ultima