545 League of Assassins strike.

"According to what was taught in magic school, everything is made of mana but just in different forms. This was also confirmed In Azkelwart's base as the elements were being reversed to mana." Blake said to himself.

Although the functions of the Nova crystals at Azkelwart's base were more than 100 times more difficult than converting mana to other elements, it still didn't mean it wasn't difficult at all.

"What if I am also meant to understand the concept behind the other element?" Blake's eyes lit up, but they quickly returned to normal. "I only understood these 3 because I have been using them for years. So it is impossible to understand them without even being able to cast a basic spell."

He had the idea of using different arrays to generate the elements, but that wouldn't be of help since he couldn't feel or control them.