Mbh 1.183.2

“The Gandharva continued, ‘The Brahmana sage (Parasara) thus addressed by the illustrious Vasishtha restrained his wrath from destroying the worlds. But the Rishi Parasara endued with great energy--the son of Saktri--the foremost of all persons acquainted with the Vedas--performed a grand Rakshasa sacrifice. And remembering the slaughter of (his father) Saktri, the great Muni began to consume the Rakshasas, young and old, in the sacrifice he performed. And Vasishtha did not restrain him from this slaughter of the Rakshasa, from the determination of not obstructing this second vow (of his grandson). And in that sacrifice the great Muni Parasara sat before three blazing fires, himself like unto a fourth fire. And the son of Saktri, like the Sun just emerging from the clouds, illuminated the whole firmament by that stainless sacrifice of his into which large were the libations poured of clarified butter. Then Vasishtha and the other Rishis regarded that Muni blazing with his own energy as if he were the second Sun. Then the great Rishi Atri of liberal soul desirous of ending that sacrifice, an achievement highly difficult for others,--came to that place. And there also came, O thou slayer of all foes, Pulastya and Pulaha, and Kratu the performer of many great sacrifices, all influenced by the desire of saving the Rakshasas. And, O thou bull of the Bharata race, Pulastya then, seeing that many Rakshasas had already been slain, told these words unto Parasara that oppressor of all enemies: