And they step on vitrified crystals that are almost completely transparent.

Around them, huge energy crystals in the form of a matrix floated.

Dozens or hundreds of huge crystals were neatly arranged, floating in the dark void, emitting purple fluorescence, and the scene was not without being amazed.

Xia Lu couldn't help but be stunned when he saw it.

"This is the energy center of our entire holy city, the place where we all depend, every crystal has it

"Rebirth in the Last Days: Hoarding a Billion Materials at the Beginning" Chapter 688 The Energy Matrix is in the middle of the hand, please wait a moment,

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