Spell Rank

Emery had heard about how battle art could be separated in various grades from Magus Xion before. Therefore, it certainly wasn't strange to hear there were classifications for spells as well.

"You really are from a lower realm, aren't you? It's amazing how you  were able to step foot in Alfa Station." The old man nodded in approval as he spoke those words.

The old man looked around the room and made a beckoning gesture with his hand. Right afterward, a creature that resembled a butterfly was pulled on top of his palm. The butterfly's wings were almost transparent as if it was made from glass, while the creature itself was pitch black. The butterfly looked as if it absorbed light around it.

"Now, try to cast your spells, and we'll see what grade it is."