The Bishui Luoyun Formation, formed from the crystallized efforts of hundreds of formation masters and drawing on the vast water spiritual energy of the entire lake, was no formation that could be breached so easily—not even by the tribulation lightning of a Spirit Transformation tribulation. Yet when those bolts struck the azure barrier, they transformed into a roaming force akin to blood-astral energy, gathering outside the water curtain without dispersing.
Lu Xiaotian's brow furrowed. It seemed that the Bishui Luoyun Formation could only buy him some time. To solve the problem at its root, he still had to comprehend this realm himself and turn the blood-astral energy into his own.
Fortunately, the formation was exceptionally sturdy. After all, it was the crystallized work of hundreds of formation masters over several decades. Lu Xiaotian reckoned that even if he tried to build such a formation himself, he probably could not refine it before his lifespan ran out. The tribulation lightning gave him no chance to catch his breath, but the Bishui Luoyun Formation could.
Every moment was precious. Before the tribulation lightning outside broke through the formation's obstruction, he had to completely refine the blood-astral energy formed from the tribulation lightning within the formation. Otherwise, all his efforts would be for naught.
Lu Xiaotian released his Primordial Spirit and did everything he could to merge his divine sense with the blood-astral energy outside. Only by merging with it could he manipulate it and turn it into his own. However, the blood-astral energy formed from the tribulation lightning had not come from his own cultivation and possessed an extremely strong repulsive force. Every time Lu Xiaotian's divine sense tried to merge with it, it was directly bounced away.
As the force produced by the ceaseless bombardment of the tribulation lightning outside the