C525 CHAPTER525
Hollow must be hollow.
According to Devon, it was to create a bridge.
After all, if he didn't create a bridge, this thing would be a dam. It wasn't a bridge at all.
Although the elfins were often criticized for being hollow and flashy, it was still a study on how to make the structure of the object remain the same. Making armor or armor was actually a study.
Because time was limited