After Ninety Years of Signing In at the Imperial Kitchen, I Became a Martial God

After transmigrating into a fantasy world, he had such poor aptitude that he ended up as a cook in the imperial kitchen. Was he doomed to live an ordinary life with no hope of defying fate? Then he awakened the Sign-In System. After ninety years of signing in, he became a Martial God!

"Ding! Congratulations, Host, your sign-in was successful. Reward: The Xuantian Divine King's Flute Manual! Cultivators who master it will achieve the supreme path of the flute, whose notes can destroy gods and demons!"

"Ding! Congratulations, Host, your sign-in was successful. Reward: Azure Dragon! White Tiger! Vermilion Bird! Black Tortoise! The Four Divine Beasts will protect you..."

One day, demons invaded and slaughtered their way through the dynasty. They encountered Lin Tian calmly cooking in the kitchen. "Quit staring at the stars like a dog. Get out of here and stop bothering me while I'm cooking!"

"..."