Chapter 2298: Nine Heavens Wind Thunder Iron_1

Yang Chen stroked his chin: "So, these people from the Southern Realm crossed the boundary to come to the Great Secret Realm for the purpose of obtaining the White Jade Monarch Sword inside the Supreme King Palace?"

Although the border was theoretically sealed, making it impossible for those from the Southern Realm to come to the Spirit Realm, nothing is absolute.

Since the Southern Realm leads the Spirit Realm in many aspects, it is not impossible for them to have the means to cross over.

"That's right, Spirit King was trapped in his Sleeping Palace back then, and he must have been eager to get out. At that time, he issued an order that anyone who could help him unlock the Sleeping Palace and retrieve the White Jade Monarch Sword could either become his disciple or choose a treasure from the Spirit King's Sleeping Palace, after which he would owe them a favor." Lu Nan explained.

Yang Chen was slightly taken aback.