User blog comment:B214/Question & Answers 5/@comment-82.199.209.134-20160426111856/@comment-82.199.209.134-20160426163152

I know that it consumes energy, I just want to know what kind of energy.

Demonic-power or separate magic-power, Rossweise isn't a very good example since she is a reincarnated devil, it would be better to know what kind of energy did the children that went to Sona's school consume when using magic taught by Rossweise.