 Tradition ascribes the foundation of the original monastery on the Hill of Slane to him.Erc, son of Dago, is believed to have been a pagan druid and the only member of King Laoghaire's retinue to pay homage to Saint Patrick during the latter's confrontation with the druids at the Hill of Slane in 433.Dubhthach maccu Lugar was also a druid who paid tribute to St. Patrick and converted.