Karna is desribed as an incarnation ofsahasrakavacha in the (a) malayalam poem. Krishnarjunavijayam (18th century) .The sanskrit works, (b) Mahabharata Tatparya Nirnaya (13th century) and (c) Narayaniyam(16th century) as well as all Tamil renditions mention karna as the incarnationof sahasrakavacha (one with thousand armours).