Unbelievable! You will be invincible on the first day you sign in!

My name is Lin Yu. I am an aspiring young man who was transported by a truck to a world of immortal cultivation. I became a handyman disciple of a sect and obtained a heaven-defying sign-in system! Sign in on the first day: Invincible cultivation! Sign in on the second day: Top Immortal Technique—The Immortal Sutra! Sign in on the third day: Immortal Weapon—The Immortal Killing Sword! Sign in on the fourth day: Full level Alchemy! Check-in on the fifth day: Heaven-Destroying Technique! ....Invincible from the start. Always invincible and always cool! ...