Signed in for Eighteen Years: the System Activates the Eighth Prince's Invincibility

Zhou Tian traveled to the Tianyun Empire in Tianxuan Continent. Became the eighth prince of the Tianyun Empire. Zhou Tian was born with auspicious auspiciousness, and he was originally a genius. However, when he was born, the system reminded him that he could only activate the system when he was eighteen years old, and he could not practice any skills before he was eighteen years old. Therefore, Zhou Tian became a famous waste.