Let You Delve into Spells, What the Hell Is a Regional Magic Net?

Do mages have to use magic lines to cast spells? Possessing the [Arcane Code], as a graduate of the Elemental School, deputy leader of the Natural Disaster School, honorary teacher of the Prophecy School, and the last demon hunter today, Stranger Ferris feels that this is definitely not the case. So he started a research based on his talent, hard work, and the unimportant [Arcane Code]: From [Regional Magic Network] to [Jedi Tiantong]. From [Portable Magic Network] to [Small Magic Network]! Ferris sometimes mused, why did St. Aaron's need to expel him? Why does the Vatican regard him as a heretic, and why are there so many legends about him in the world? However, thinking about it, these are not important, so—— "Princess, you don't want your father to die." "Goddess, don't look back, I am your loyal believer!" "Magic Network, don't resist, my great magic will be inserted into your body soon!" (Pseudo DND, Western fantasy, mage, mission adventure.)