"That's really worthy of me."

Gu Guo shrugged noncommittally and took out a rudimentary metal model from the cabinet next to him, which resembled a microwave oven with a copper wire as a frame and a thin sheet of iron at the bottom and top.

Minako craned her neck to look over, only to see that the two sheets of iron were each etched with intricate patterns, which were rune patterns she had never seen before.

"It's ......"

Her eyes widened

"Cosmic War from the Stone Age" Chapter 124 Elemental Tower is being hit by hand, please wait a moment,

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