698 Go Back and Bring More Men!

The comprehension this time was entirely different from the previous cases!

It was unknown if it was because Jiang Yi had refined plenty of thunder stones—which allowed his body to be filled with the power of thunder and lightning, or it was because Jiang Yi had subdued the Thunder Fire and had been blasted by the thunder and lightning in it. This time, when he entered the Union of Heaven and Man state, he felt that the trace of the dao pattern was much clearer.

He might still not be able to see it or feel it, but he could truly feel it much clearer. He wasn't in a hurry to catch that trace of dao presence. Instead, he silenced his mind and carefully sensed it little by little.

Thunder mountains!

This was the core of the Sky Thunder Island; it was the core of the Thunder Gathering Array. Why were the thunder mountains able to absorb thunderbolts? Why was it able to produce thunder stones? Why could it produce Thunder Fire? All these were a secret.