"Yes, it's used as a battery······ Senior Ye, do you know what a battery is?" Huang Qiufang said excitedly, and then asked hesitantly.

"Electric ······ Battery?ah! I understand!I understand!" Ye Xian looked at Huang Qiufang's expression, although he didn't understand what a battery was, but combined with what Huang Qiufang said before, Ye Xian probably guessed the meaning, and nodded again and again.

"This is just a product of the evolution of the ancient formation, I really don't know how the ancient primitive formation should be shocked. Huang Qiufang said with regret, but today he was still very happy to see such a long-standing formation and such an ingenious conception.

"What about the formation diagram on the stone wall, what is the purpose of that?" Ye Xian was most concerned about

"Back to the City to Be a Fairy" Chapter 63: The ghost of resentment is being hit in his hand, please wait a moment,

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