The Nungpan Ponpi Luwaopa, also known as the Nongban Pombi Luwaoba, is an ancient Meitei language narrative epic text, about the legendary story of a prince of the same title, belonging to the Luwang dynasty, who got back successfully the life of his wife Koubru Namoinu, from the hands of her former consort Thongalen, the God of death and the ruler of the underworld. Wikipedia