The Altar Master sneered at the sight. "Useless! Those flames can't burn through the Demon Embryo Source Magic that flows without end!"
"Flame-Gang Qi alone won't be enough, of course."
Cheng Heng raised his left hand and slowly unleashed the Azure Sea Formless Palm. Vast, invisible palm force surged like a boundless deep sea, gentle yet powerful enough to swallow all things, and slammed into the Demon Shroud. The Azure Sea Formless Palm did not seek to shatter it in one blow. Instead, its force seeped in and coiled around the channels of Demonic Aura flowing through the shroud, disrupting the passage through which the Demon Embryo supplied it with magic.
The Demonic Aura inside the shroud instantly fell into disarray, and the once-smooth flow of magic faltered.
The Altar Master's expression changed. He immediately drove his Demonic Essence to force the flow steady. But Cheng Heng's soul followed the Azure Sea Formless Palm through the channels of Demonic Aura. The sharp edge of his Delusion-Slaying Illuminating Seal pierced into the shroud and struck at the soul-link between the Altar Master and the Demon Embryo.
"What? Your soul can invade through Demonic Aura?" The Altar Master was shaken to his core. A stab of pain shot through his mind, and the divine sense connecting him to the Demon Embryo was nearly severed in one stroke.
Now!
Cheng Heng seized the instant the shroud's supply broke off. Gripping the Golden Metal Demon-Slaying Blade with both hands, he poured all seven energies—metal, wood, water, fire, earth, lightning, and wind—into it. Its radiance gathered into a brilliant arc that spanned the cavern.
"Sevenfold Vajra Unity—slay the demon!"
The blade light tore through the air, wrapped in blazing Flame-Gang Qi, and crashed into the weak point the flames had scorched and the palm force