How vast was the Northern Azure Spirit Academy? To be honest, Liu Bai really had no idea.
But when he set out today, he flew for several hours before finally nearing the boundary between the inner and outer regions of the Northern Azure Spirit Academy. He sensed faint spiritual energy fluctuations emanating from the air ahead, likely emitted by the academy's protective array.
As a Spirit Array Master, Liu Bai was quite interested in such things. He secretly probed the great array, only to be stunned by the vast, ocean-like, obscure, and incomparably complex spiritual energy fluctuations.
He even discovered that the spiritual energy within his body had begun to grow chaotic during his probing, forcing him to hurriedly stop.
Still, this gave Liu Bai a preliminary guess about the Northern Azure Spirit Academy's protective array. It was likely a terrifying grandmaster-level array!
The Northern Azure Spirit Academy's protective array had one defining trait: leaving was easy, but entering was difficult. Unless one possessed an Academy Pass, anyone attempting to force their way in could very well be directly killed by the array.
Academy Passes had to be obtained in Northern Azure City on the outskirts. Northern Azure City was a massive city outside the Northern Azure Spirit Academy, renowned throughout the Northern Azure Continent. It served as the academy's first line of defense beyond its gates.
Naturally, Liu Bai did not need to go through such trouble. He already had an Academy Pass in hand, personally given to him by Elder Chi Huo. When he returned from outside, he only needed to carry it with him to easily enter the Northern Azure Spirit Academy.
Azure Cloud City was not far from the Northern Azure Spirit Academy. It lay southeast of the academy, roughly two days away, so Liu Bai