Potato chips?

Kairen started to cast the spell.

Casting the spell after practicing the whole day yesterday wasn't hard at all. Kairen had even gotten a little bit faster in casting that spell after repeatedly casting it so many times.

The casting speed wasn't the problem though. Kairen was supposed to decrease the amount of mana used in casting the spell, and it wasn't an easy task at all.

He had to maintain the attack power and even increase it while lowering mana usage and at the same time being careful that the spell wouldn't break apart before it is completed.

While trying to keep all of those factors in mind, Kairen started to cast the spell. It didn't take long for a fireball to appear in his hand. The fireball was smaller in size compared to the one he created the other day, but it was burning brighter and more powerful than before.