The only simulated blue crystal in Noah City was a small diamond that everyone had been using economically. In the end, Harry had taken it and used it to power Snowstorm. He even almost used it all up. No wonder there were so many spaceships in Noah City that couldn’t fly because they had no energy core.

After thinking it over, it did make sense. Just like how batteries could charge a handphone but couldn’t power a car. Simulated blue crystal was like a battery that wasn’t rechargeable.

Operating a spaceship was complicated. Naturally, it would require greater power. The bigger the spaceship, the greater the power and energy required to operate it....