According to the notes, this was a project the empire had been working on for decades, and the resources invested in it could operate a county for three years. It represented the empire’s highest achievement in the field of origin battleships. The engine didn’t look very big, but it could operate the highest-grade imperial airships and still have power to spare.

What made Qianye and Caroline speechless was the fact that the engine required Earth Dragon’s blood as fuel!

A drop of Earth Dragon’s blood was enough to make numerous powers fight tooth and claw for it. Three of them was enough to give Caroline some hope of advancing by a level. Such a precious material was being used as fuel? Although according to the booklet, a single drop could drive the engine for three years, this kind of breakthrough-aiding treasure really shouldn’t be used like this. Just what kind of battleship would be worthy of such an engine?

Caroline and Qianye were both lost in thought. There was no way Elder Wei wouldn’t know the value of the Earth Dragon’s blood. The empire was full of talented people; there...