C396 Breaking the Boundary with a Single Punch

Nether Elder was stunned for a moment when he heard Gu Yi's words. Then, he became wild with joy. Others might not know this, but he knew it very well. There were some monstrous geniuses with extraordinary talent who could comprehend double domains.

"Haha... I have comprehended it, form the 'Lightning Killing Domain' for me!"

A thousand waves were stirred within the calm barrier