"Essence of the Spell?" Richard pondered for a moment and replied, "In my view, the essence of the spell should be an auxiliary to wizardry.
Firstly, spells are not essential for casting. Spells working in conjunction with internal energy are considered standard casting procedures, but a wizard who is skilled enough can control internal energy without chanting and still successfully cast, that is, a silent spell.
Correspondingly, if the control of internal energy is not proficient, using spells can be a significant help. According to some of my tests, there is an error in internal energy control. If the error is within five percent, using spells can greatly reduce the impact of this error.
So, in a sense, spells are like a crutch, helping novice wizards to lower the difficulty of casting, increasing its safety, and preventing minor details from causing spell backlash and accidents."
