Hi there, I would recommend my own novel here.
It is xianxia and the mc already has higher cultivation from start.
Rebirth Of the Most Villainous Crown Prince
Crown Prince Ye Tian Yun, the so-called Future Heavenly Emperor, Summoner of Throne and heir to the Great Ye Empire, after spending seven years to possess the Emblem Of Luck, was ambushed by the God’s Legion, the real protagonists of the Era, on the battle for the Throne of Middle Heavens at the Hundred Realm Refining Stage. With mortal injuries and no chance to escape, he was beheaded by the true MC of the Era and possessor of Emblem Of Time, Wang Yao
However, turning the wheels of time, he has returned to the past when he was fourteen years of age!
From that very moment, Ye Tian Yun, with the knowledge of the future, decided to right all his past wrongs, kill every member of God’s Legion and possess the God Emblem.
However, before he could even stand up, he heard a prompt,
[Initiating the Emblem System]