When Buddha to eaten ,he said to followership name is Arnon to dip up water at the swamps near Doi Chom Thong. When Aananthana Thera walk dip up water meet King of Nagas living in the swamps not allow water to him and with the show various supernatural until the water is not to give the Buddha .
Followership until have to say Buddha, So the Buddha went down from Doi chom thong to the swamp.The King of Nagas saw the Buddha then to create bigger body.