Boom!
For the nth time, the massive asteroid blasted into pieces. It wasn't a satisfactory result since he was supposed to destroy it layer by layer, slowly, while feeling its existence. It wasn't easy, however, since his immensely enhanced fire elemental affinity overpowered everything, raising his destructiveness.
"Balance your elements. The same force that can unmake can also rebuild. Everything that is before you is built from the same energy that powers your magic. Solarium is a real thing, but it is merely another name for the energy that surrounds all, be it a void or a space full of life—this invisible energy powers everything," Nehilius taught him with words of advice from time to time.
Sylvester grunted and tried it again as the asteroid quickly returned to its previous shape. Every single time, he attempted to do things differently, but nothing seemed to work. And in Nehilius' words, this was something he had to learn on his own.