"How should I explain about the third stage of the unlocked mode. It should be unlocking a constraint on your brain this time, but not completely. I think it needs at least stage four to completely remove this constraint on the brain."

It had been several days since they came back. Everyone tested the powers of their new weapons in the meantime. To their surprise, they could create fission batteries in their rooms. Honglu induced that the real world was probably researching or had this technology already, so they could appear in the room.

Zheng remembered Xuan used him to carry a memory device back to the real world. The device was full of blueprints for technologies. Then it was really possible...