The solar magma, which was the lava Mu You discovered in the Ancestor's Divine Palace on the mountain top of the Crow Tribe.
Back then, he used that lava to temper the Kylin Arm and the Resurrection Stone, making the Kylin Arm capable of absorbing sunlight for energy storage.
Since it's a similar thing, the properties shouldn't be too different.
Mu You maintained the Kylin Arm with his right hand, and under its protection, he reached into the well water again.
As expected, there was no more indication of finger injury; the Kylin Arm perfectly shielded against the corrosiveness of the Moon Well water.
[With your arm reaching in, the once calm and still well water began to ripple, scaring the Moon Butterflies within to flutter out of the water, lining up and flying towards the depths of the forest, quickly vanishing from your sight.]
