C844 Two Things!

After saying that, Su Ba placed his hands behind his back and raised his head 45 degrees to look at the sky, his back proud and aloof.

There was truly an invincible aura of a mighty warrior.

At this moment.

The mechanical voice of the system suddenly sounded in Su Ba's mind.

"Host, let me remind you. When it comes to repairing and upgrading the system, you can use metal, crystals