During a visit to the region of Uruvela, the Buddha goes to a hermitage of fire worshipping ascetics and asks one of its leaders, Uruvela-Kassapa, to stay in the fire-offering chamber. Uruvela-Kassapa warns the Buddha that there is a dangerous nāga living in the chamber, but agrees after the Buddha insists.
While touring Uruvela, the Buddha approached a hermitage dedicated to fire worship, where he requested Uruvela-Kassapa to stay in the fire-offering chamber. Uruvela-Kassapa informed the Buddha about a dangerous nāga residing there but consented after the Buddha's insistence.