Dao Lord Taichu followed the three Source Sea Demons onward and soon descended before the massive castle that resembled a tomb.
This so-called castle was actually a great mountain, emanating astonishingly fierce, baleful power in every direction as it resisted the ravages of the calamity power.
Dao Lord Taichu could sense that this treasure also emitted the might of a Source Treasure. However, its power was somewhat similar to Bai Bantian's treasure ship: it could only desperately resist the erosion of calamity power within this space and was utterly incapable of approaching the seal.
Still, it provided the Source Sea Demons with a place to hide.
He simply did not know why the first master of the Source Sea Sacred Palace had not taken even such a treasure away.
Or had this Source Treasure originally been in this secret realm, only to be discovered by the Source Sea Demons later?
Before Dao Lord Taichu could think further, a crack opened in the enormous castle.
The three Demons ahead called out to Dao Lord Taichu, "Get in quickly! Otherwise, once the calamity power surges, the seal here will immediately detect the entrance and launch an attack!"
Just as their voices said, chains had already begun moving overhead, as though they had detected something.
Dao Lord Taichu's brows knit slightly.
No wonder he had felt that the Source Tribulation Divine Hall's power had yet to reach its strongest state.
At first, he had assumed that some of its power had dissipated over the endless passage of time. It turned out that this seal had borrowed it and transferred it into this secret realm to restrain the Source Sea Demons.
"Quickly, the gate is about to close!"
"Opening the gate once consumes a great deal of this castle's power. We cannot delay!"
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