Years later he was admitted as a cleric in the diocese of Tarazona, and oversaw the maintenance of the temple from its construction, and he became an archdeacon.
As he died in Burgo de Osma, outside his diocese, owing to his venerated status, the fate of his relics led to heated quarrels among the jurisdictions.
The horse stopped in Logroño and they buried him in a cave of the mountain called Laturce, the actual town of Clavijo (La Rioja).
At the site of his grave, a church called San Vicente de Mártir (Saint Vincent the martyr was built.
In the middle of the 13th century, he was considered as a saint, firstly appeared in San Millán de la Cogolla's monastery cartulary, on 24 April 759, but Prudencio became the pattern of Álava on 18 November 1643 by the own province general meeting.