Sahih Muslim 5611
صحيح مسلم#5611SahihAbu Huraira reported from Allah's Messenger (ﷺ) so many ahadith and one of them was this that Allah's Messenger (ﷺ) said:The most wretched person in the sight of Allah on the Day of Resurrection and the worst person and target of His wrath would of the person who is called Malik al-Amlak (the King of Kings) for there is no king but Allah
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih Muslim is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 38:26