Secret Technique: Star and Moon Flowing Light

A sword beam, like a spark, streaked across the void.
In this dark void, a stream of hot light appeared.
It didn't look dazzling or strong, but when the light passed by, a large area of ​​void in front of it evaporated mercilessly.
Secret technique!
The strongest means that can perfectly exert the original power of one's own perception to the extreme, far surpassing the ultimate skills...
Owen Su had a very high level of understanding of the fundamental power of fire, but...