Hellfire, unlike Yang Fire and Yin Fire, does not have strong direct killing power. However, this is a type of flame that incinerates the soul and cannot be defended against. Fighting within the range of Hellfire for a long period of time will continuously erode one's soul, causing a steady decline in combat ability, and a misstep could lead to permanent damage. It can be said to be an extremely insidious Demon Sphere.
Although the Saints of Heavenly Stem have come to understand the Inner Earth Creatures to some extent after several months in the Earth's Core World, their understanding was, after all, not profound. Once this shadow-like Hellfire clung to Frey, he realized that things were not looking good. The Hellhound had pounced in an instant, clearly intending to kill him in one blow to conserve energy.
