Don't Let Me Stay Up All Night

As everyone knows, there is a power in the southern region that absolutely cannot be provoked—the Grass Hall. 
The eldest disciple is the Sword Saint of the southern region, with a godly understanding of swords. 
The second disciple is the Eternal Empress, who ruled an era. 
The third disciple is a great scholar of the current generation, the reincarnation of the immortal of literature. 
The fourth disciple is the reincarnation of a demon god, suppressing the Nine Hells. 
Lu Changsheng: Me? I'm nothing special, just their master.

I See the Aura of the Great Emperor in All My Disciples

"I heard that you want to cooperate with my Infernal Purgatory?"

Qiu Genyin corrected him after hearing the Purgatory Ancestor's question. "To be more precise, I'm cooperating with you."

"Oh?" The Purgatory Ancestor was slightly surprised. "I've heard of the Blue Sky Yellow River Palace before. It's extremely mysterious. Do I have something that you value?"

Qiu Genyin nodded. "In the Middle Latitude Realm, you're the only one who's been to the High Latitude Realm. Even though I don't know why you're back, we need your method to get to the High Latitude Realm."

He wanted to head to the high-latitude region.

It was not as simple as going to the middle latitude at a low latitude. One only needed a specific jade seal to pass through.

This kind of jade seal was basically owned by all third-rate forces and above.

However, if he wanted to go to the high-latitude realm,

Purpose Of Collaboration!