Shadow Mimicry

Chanting magic is actually not a necessity. At least, for many magic warriors, they would not chant magic when they were in the midst of an important battle unless they were trying to use magic above their rank. Because chanting magic takes time, time that was enough for their opponent to kill them. 

Many magic warriors opted to use the magic directly without chanting.

But this required a lot of practice and process.

Because unlike the lower ranked magic spells that were indeed relatively easy to master, higher ranked magic were more complicated and required delicate mana control.

Without it, it could be said that they were quite useless to a certain degree.

Aya herself can use many magic spells without chanting.

But the use of chanting was also to minimize the mana consumption during casting their magic, allowing them to use their magic more effectively.

"This…" Evan looked at the shadow in front of him. "What is this, Senior Patrick?"