The moment it appeared, the surrounding thunder spirits seemed to be summoned, gathering toward the golden light. Xiao Zining watched in astonishment as he reached out his hand. As if answering a call, the thunder spirits rapidly converged on his fingertips.
In the next moment, a strange sigil appeared in Xiao Zining's mind. Guided by instinct, he traced the thunder spirits before him into the shape of the sigil. His divine sense fell into a wondrous state of enlightenment; in his mind, endless sigils slowly emerged, as though he had known them all along.
He was unaware that his physical body in the trial grounds was currently bathed in arcs of lightning. The destructive power of the thunder had actually doubled the size of the entire cave!
Chapter 559