Indeed in that enumeration of Rathas and Atirathas, Karna was thus reckoned-Karna who is the foremost (of all fighters), who is held in high respect by the heroes and who would dare give battle even to Yama, Kubera, Varuna and Indra.
स्थातिरथसंख्यायां योऽग्रणीः शूरसम्मतः। सासुरानपि देवेशान् रणे यो योद्धमुत्सहेत्॥