Sahih Muslim 5821
صحيح مسلم#5821SahihSafiyya reported from some of the wives of Allah's Apostle (ﷺ) Allah's Apostle (ﷺ) having said:He who visits a diviner ('Arraf) and asks him about anything, his prayers extending to forty nights will not be accepted
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: 39:173