C1813 Yin Xuan Xin
Rumble …
This was a very ancient type of lava, where the magma itself was not hot, but because Conqueror Great Emperor had smelted it for a while and used great methods to control it in this space, the temperature of the magma was extraordinarily high, to the point that even the average Immortal Sovereign would not be able to endure it even after staying here for a long time