The Heaven Devouring Avatar currently had potential for devouring. After all, Wu Yu's greater Primordial Spirit had already improved.

After the Heaven Devouring Avatar improved, he again returned to master the Dark North Royal Obelisk, and the four Offensive Spirit Designs. With both the longsword and whip forms, its battle power would definitely surpass Wu Yu's real body.

After a period of careful study, he slowly grew familiar with these four Offensive Spirit Designs.

Familiar with them now, he realized that each of these four spirit designs were all much stronger than the Infinite Eternal Sand Reincarnation Design of the Otherworldly Infinite 10,000 Dragons Staff.

The longsword form had two Offensive Spirit Designs.

One of them was known as the Dark Sea Ghostly Tempest.

Just by analyzing the spirit designs alone, Wu Yu could see that the sword shadows covered the sky, falling down in a torrent. Where it landed in water, the water turned into an icy, black sea. If it landed on land, trees would wither and rivers would freeze.

As the mountains and rivers changed into a dark and glacial world, this ghostly...