"Caw..."
Another shriek that could pierce metal and shatter stone rang out from afar, making Su Fan's eardrums ache as fine beads of blood seeped from his seven apertures.
Amid the rain of blood, a pitch-black figure pierced through the clouds. Its wings stretched hundreds of zhang across, their feathered edges gleaming with a metallic chill, while thick resentment as dark as ink congealed on every plume.
The demonic bird's pupils were vertical slits. Starlike, ghostly light swirled within its dark-red eyes as it stared fixedly at Su Fan, who hovered in midair.
This was the "Ink Feather Corpse Vulture King."
No—it should have been a mutated "Ink Feather Corpse Vulture King," and its strength had already come infinitely close to that of a Ninth-Order Great Demon.
Mutated demonic beasts already far surpassed those of the same rank in strength, let alone this demonic bird. It was probably only half a step away from the ninth order.
That was why, compared with other eighth-order demonic beasts, this kind of demonic bird was the most troublesome. Not only was it powerful, but because of its mutation, its various divine abilities and methods were also exceptionally sinister and unpredictable.
It seemed that the True Dragon Remnant in the secret realm's core region was about to appear. Even this one-in-ten-thousand powerful demonic bird had been drawn here.
Su Fan knew very well that against a mutated Half-step Great Demon like this, it would definitely be impossible to keep hiding his strength.
While Su Fan was pondering, the "Ink Feather Corpse Vulture King" opposite him suddenly beat its wings.
Countless black feathers shot through the air like arrows. Space cracked inch by inch wherever they passed, while the corpses on the ground struck by the aftershock instantly turned to dust.
The area within several