Mbh 14.10.18a

"'Vyasa said, "Thus accosted by the son of Angira, Sakra himself gave directions to all the gods to erect the hall of assembly, and a thousand well-furnished excellent rooms looking grand as in a picture, and speedily to complete the staircase massive and durable, for the ascent of the Gandharvas and Apsaras and to furnish that portion of the sacrificial ground reserved for the dance of the Apsaras, like unto the palace of Indra in the heaven. O king, thus directed, the renowned dwellers of heaven speedily fulfilled the directions of Sakra. And then, O king, Indra well-pleased and adored, thus said to king Marutta,--'O prince, by associating with thee at this sacrifice, thine ancestors who have gone before thee, as well as the other gods have been highly gratified and have accepted the oblations offered by thee. And now, O king, let the foremost of regenerate beings offer on the sacrificial altar a red bull appertaining to the Fire-god and a sacred and duly consecrated blue bull with a variegated skin, appertaining to the Viswedevas.' Then, O king, the sacrificial ceremony grew in splendour, wherein the gods themselves collected the food, and Sakra, the lord of the gods, possessed of horses, and worshipped by the Brahmanas, became an assistant at the sacrifice. And then the high-souled Samvarta ascending the altar, and looking radiant as the second embodiment of the blazing fire, loudly addressing the gods with complaisance, offered oblations of clarified butter to the fire with incantation of the sacred hymns. And then the slayer of Vala first drank the Soma juice, and then the assembly of other gods drank Soma. And then in happiness and with the king's permission they returned home and well-pleased and delighted. Then that monarch, the slayer of his enemies, with a delighted heart, placed heaps of gold on diverse spots, and distributing the immense wealth to the Brahmanas, he looked glorious like Kuvera, the god of wealth.