Mbh 1.137.6

“And, O Bharata, when the exhibition had well-nigh ended, the excitement of the spectators had cooled, and the sounds of instruments had died out there was heard proceeding from the gate, the slapping of arms, betokening might and strength, and even like unto the roar of the thunder. And, O king, as soon as this sound was heard, the assembled multitude instantly thought, ‘Are the mountains splitting or is the earth itself rending asunder, or is the welkin resounding with the roar of gathering clouds? And then all the spectators turned their eyes towards the gate. And Drona stood, surrounded by the five brothers, the sons of Pritha, and looked like the moon in conjunction with the five-starred constellation Hasta. And Duryodhana, that slayer of foes, stood up in haste and was surrounded by his century of haughty brothers with Aswatthaman amongst them. And that prince, mace in hand, thus surrounded by his hundred brothers with uplifted weapons appeared like Purandara in days of yore, encircled by the celestial host on the occasion of the battle with the Danavas.’”