MTL - The Only Magician on Earth - Chapter 11 things are not simple

This is my first original novel, it may be bad, but this is all in my mind and imagination. (Warning!! There will be an Incest genre) Thank you o⁠(⁠(⁠*⁠^⁠▽⁠^⁠*⁠)⁠)⁠o(oh yeah I forgot, this cover is not mine, I just edited it, if you feel you own it and don't like me using it, please tell me)

He, since childhood, had followed the Foreigner to practice the Defying Heaven Art, entering the most secretive special forces and becoming a fearsome assassin that made others tremble at the mere mention of his name. After a single failure, he took early retirement, but he ended up as the personal bodyguard for a rich heiress, a school beauty. Accidentally provoking some mysterious Cultivators, he gradually unveiled a hidden world of Cultivation beyond the mortal realm...

He is a young man without a spirit root. It is believed that this denies him the chance at cultivation. However, a mysterious lady imparts a Supreme Demon Classic to him and from then on, he starts his path of cultivation.
He undergoes a total transformation to emerge as the most fearsome and powerful fiendish demon in his era, that even immortals and fiends are fearful of him, and saints are at his beck and call.
Mastering the Supreme Demon Classic is the turning point in his life. He is able to unleash his immense and divine power from within, illuminating the entire universe!

[ You have prepared a Mythical-class Ember-fang meal. All party members receive +40% Fire Resistance and +25% Attack! ]Ezra was a NEET for four years before he finally got off his ass and booked a flight to do something with his life. That dream died when the plane crashed. Before he knew it, he was reborn into a strange new land.Stranger yet, he was a... frontier chef? In a world full of monsters the size of buildings?!Fortunately, his cooking skills were a lot more useful than they sounded. His knife skills could carve through monster hide, while his newfound fire magic burned stronger as he leveled up.Not to mention, the meals he cooked gave out insane buffs and passives! Maybe this class wasn't as bad as he thought.With a class like this, he was sure he could make it to the very top of the food chain!But of course the food chain had teeth of its own.Turns out, factions wanted his cooking for their wars, monster lords saw him as property, and more than a few dangerous women wanted him for reasons that had nothing to do with his food.The deeper he pushed into the frontier, the more he realized this world's ecosystem was bigger, older, and hungrier than anything he was ready for.Worse yet, what kind of chef is expected to go on Mythical-class monster hunts!?