Pale-white true fire crazily drilled into his body through all one hundred and eight thousand pores.
The extreme heat instantly ignited Sun Yu's blood vessels.
His blood boiled, and his tendons withered.
Under the direct licking of the true fire, a layer of charred dead skin rapidly surfaced across his skin and flesh.
Sun Yu sat cross-legged at the very heart of the sea of flames, gritting his teeth hard as the muscles in his face twisted violently with pain.
He had thrown his bodily defenses wide open, equivalent to placing himself on a roasting rack and being grilled from the inside out.
The destructive power of Heaven and Earth True Fire far surpassed any external blow he had endured before.
Like bloodthirsty mad sharks, the flames charged straight down his meridians, pouncing directly upon Sun Yu's five viscera and six bowels.
Especially his heart.
That was the core of the Asura Undying Body's ability to regenerate from a drop of blood. Once the true fire burned his heart to ashes, even with monstrous physical foundations, he would still die on the spot.
A muffled roar squeezed from Sun Yu's throat.
The Cold Toad Breath Swallowing Technique began to circulate.
"Kacha, kacha, kacha."
From deep within his bone marrow, the long-suppressed Extreme Cold Internal Breath erupted with a thunderous burst.
Icy-blue chill surged wildly from all two hundred and six Sword Bones, instantly forming an Extreme Cold ice armor several inches thick around Sun Yu's heart.
The pale-white true fire slammed viciously into the ice armor.
"Sizzle, sizzle, sizzle!"
Ice and fire clashed.
Water vapor evaporated in vast quantities within his body, only to be instantly reduced to nothingness by the heat.
The Extreme Cold ice armor rapidly thinned beneath the refinement of the true fire, yet the endless chill