The content of this series of murals was somewhat incomprehensible to them, but they were able to grasp the general overview.
The Emperor of Mankind was not dead and had reached the realm of the Shattering Void. Instead of Ascending in Broad Daylight, he rode a massive dragon boat, leading people into a strange portal.
However, something went awry within this portal, causing many severed limbs and several strange White Jade Stone Tablets to fall from the sky and be picked up by sword-holding martial artists - presumably members of the Nine-Layered Sword Pavilion.
Although the content depicted in the murals was simple, the amount of information was overwhelming. Each event in and of itself was enough to send shockwaves through the Jianghu.
For example, the fact that the Emperor of Mankind was not dead would undoubtedly have a big impact on the martial arts world.