Thunder Essence, Great Zhen Immortal Dynasty

In the Ziyu Realm, there were many legends about Kui Bull. From the Ancient Era until now, there had only ever been one—utterly unique.

Even in the Ziyu Realm's long history, this was an exceedingly rare occurrence.

True Dragons, True Phoenixes, qilins, and even certain races blessed with all the wonders of Heaven and Earth had at least appeared in pairs.

Because of this peculiar distinction, countless speculations had arisen.

Some said it had come from the Immortal Realm, having strayed into this world through the passage between the Immortal Realm and the Great Thousand World. That was why it had become the sole one beneath Heaven and Earth.

This claim later spawned a second version. It was said that during the Ancient Era, a crippled immortal had somehow fallen from the Immortal Realm into the Great Thousand World, and the one and only Kui Bull beneath Heaven and Earth had been the mount that accompanied him.

Compared to those two theories, people were more willing to believe another: that it was a hybrid born from two different species, whose appearance had become somewhat "deformed" for certain special reasons.

But no matter which tale was true, Kui Bull was one of a kind. Wind, rain, thunder, and lightning accompanied its travels, and it was enough to contend with a True Dragon.

Later, a Great Power of the Demon Race struck and slew Kui Bull, skinning it and breaking apart its bones. Its hide was refined into a great drum, while its leg bones were refined into drumsticks.

Once sounded, the drum boomed like thunder, its voice shaking ten thousand miles and cowing the world.

Unfortunately, the Demon Race Great Power who refined this war drum had met with Body Dead and Dao Vanished long before realizing his grand ambition of