Both of them were exerting immensely powerful Thunder Techniques.
Master Ling Feng was the Reincarnation of a True Immortal, his 'Four Bright Divine Eye' was supremely fluent and his mastery incredibly profound. Lu Qingfeng had only recently reached the Initial Stage of Core Formation, hence his control over the 'Thunder Prison' was somewhat lacking.
However, the former was merely employing Super-level Techniques.
The latter was utilizing Divine Skills.
When the two collided, even though Lu Qingfeng appeared slightly green, the unstoppable momentum of the Thunder Prison still crushed the thunder barrage, breaking through the lightning net woven by the Four Bright Divine Eye, pressing directly towards Master Ling Feng.
"Not good!"
"This is not the Thunder Prison Purgatory!"
Master Ling Feng's technique was broken, and with a throbbing pain between his eyebrows, a shock in his heart, he immediately realized.
