Two of them are being struck by purple lightning. They're Earth Division Fifth Grade. It's hard to judge their exact strength, but they're definitely at the level of a Senior Fifth Grade or higher.
And the three in the middle are undergoing a baptism of Dark Thunder.
The black lightning is a special treatment the Thunder Jade Mine reserves for those at the Peak of Fifth Grade.
If Hu Yun were to leave the area of concealment and reveal herself, it wouldn't be long before the thunder striking her would turn from silver-white to purple, then blue, and finally black.
"A direct assault is too risky. They have experts from the Earth Division. They could easily do the same as us and hide the other Demons who aren't from the Thunder Department underground."
Considering the potential dangers, Tang Wen rejected Hu Yun's simple and brutal idea.
On the surface, it looked like ten against seven.
But those ten Fifth Grade experts represented almost the entirety of Tang Wen's forces.
