章 403: Chapter 217: Mysterious Attacker, Innate Treasure Fusang Immortal Tree Branch! (5k)_3

Because ultimately, Spirit Field Cave was nothing more than a partial spatial plane created within the Great World.

However, this space was tampered with by a great power, making it portable.

And after over a year of Su Xing's modifications, it had become a true Spirit Field Cave.

Yet if one had sufficient enlightenment of the Great Dao and a deep understanding of space laws, one could easily locate it.

The enemies Su Xing encountered before were all beings below immortals, and it was normal for them not to comprehend it deeply.

Of course, this excluded that giant beast larger than a planet.

Up until now, Su Xing still had not figured out its origins.

Devouring worlds, with space fragments continuously colliding in its stomach, it still managed to survive...

However, Su Xing estimated that even ordinary immortals would find it difficult to achieve such a feat.

"So, what is the background of that mysterious person?"

"Could it be that the Dragon Protector invited them?"