Title: The God Of Spellcraft
Link: https://www.webnovel.com/book/the-god-of-spellcraft_24093512006085905
Synopsis:
Isaac have dreamed to study and learn magic but everything fell apart as he was tested to have no capacity to store mana.
unable to store mana in his body, he began to journey to find other ways to use magic from being a warlock, studying witchcraft, necromancy and all sort of other ways to use magic.
watch as Isaac grow to be a person that would swindle devil, trap gods, and be a force to be reckon with