My Skill Bar Is Full of Forbidden Magic

The Magicians Association has long stipulated that all magic that is not registered is forbidden magic! What to do if you discover forbidden magic? Check! What to do if you find out about the forbidden magician? Grasp! What happens after you're caught? Throw it into Mount Tyndall to feed the dragon! ... Enzo, the captain of the Iron Sword who has followed the rules all his life, originally just wanted to live a good life, kill goblins, make some money, and open a bakery. If he hadn't taken that task that day... A year later, the owner of the Oak Tavern in Xilin Town looked at Enzo as if he had seen a ghost: "You, you, aren't you dead?" No one knows that the skill bar of this cheapest iron swordsman is full of forbidden magic.