Stars in mana art

Sir Trevor said, "Ayaz is correct. I used an illusion art on you guys." He pointed to his mouth. "It was my voice that started the mana art."

Everyone nodded their head.

Sir stared at them and said in a deep voice, "Many mana arts may have similar effects, each having some advantages and disadvantages. As a spirit wielder, you must use your brain to know what is going on around you." 

Many had red faces as they looked down in embarrassment. 

Sir sighed, "Everything we talk about is part of the 'Theory of mana arts' class. Now let's start with the 'Use of Mana art' class. The fundamental difference in both of my classes is that the first will focus on the creation while the second one focuses on use."

"Creation!" Many looked at sir with wide eyes. One elf boy asked, "Sir, can we create our mana arts?"