Mbh 3.41.1b

And there came in a moment the illustrious Sakra also, accompanied by his queen, seated on the back of (the celestial elephant) Airavata, and surrounded also by all the deities. And in consequence of the white umbrella being held over his head, he looked like the moon amid fleecy clouds. And eulogised by Gandharvas, and Rishis endued with wealth of asceticism, the chief of the celestials alighted on a particular summit of the mountain, like a second sun. Then Yama possessed of great intelligence, and fully conversant with virtue, who had occupied a summit on the south, in a voice deep as that of the clouds, said these auspicious words, ‘Arjuna, behold us, the protectors of the worlds, arrive here! We will grant thee (spiritual) vision, for thou deservest to behold us. Thou wert in thy former life a Rishi of immeasurable soul, known as Nara of great might At the command, O child, of Brahma, thou hast been born among men! O sinless one, by thee shall be vanquished in battle the highly virtuous grandsire of the Kurus--Bhishma of great energy--who is born of the Vasus. Thou shalt also defeat all the Kshatriyas of fiery energy commanded by the son of Bharadwaja in battle. Thou shalt also defeat those Danavas of fierce prowess that have been born amongst men, and those Danavas also that are called Nivatakavachas. And, O son of the Kuru race, O Dhananjaya, thou shalt also slay Karna of fierce prowess, who is even a portion of my father Surya, of energy celebrated throughout the worlds. And, O son of Kunti, smiter of all foes, thou shalt also slay all the portions of celestials and Danavas and the Rakshasas that have been incarnate on earth. And slain by thee, these shall attain to the regions earned by them according to their acts. And, O Phalguna, the fame of thy achievements will last for ever in the world: thou hast gratified Mahadeva himself in conflict. Thou shalt, with Vishnu himself, lighten the burden of the earth.