Mbh 7.15.2b

And similarly, Bhimasena’s mace, struck by the foe, looked beautiful like a tree covered with fire-flies during the season of rains at even-tide. And the mace that the ruler of Madras hurled in that battle, irradiating the welkin, O Bharata, frequently caused sparks of fire (to fly around). Similarly, the mace hurled by Bhimasena at the foe scorched his antagonist’s forces like a fierce meteor falling down (from the firmament). And both those best of maces, striking against each other, resembled sighing she-snakes and caused flashes of fire. Like two large tigers attacking each other with their claws, or like two mighty elephants with their tusks, those mighty warriors coursed in circles, encountering each other with those two foremost of maces, and soon covered with blood, those two illustrious warriors seemed to resemble a couple of flowering Kinsukas. And the blows, loud as Indra’s thunder, of the maces wielded by those two lions among men were heard on all sides. Struck by the ruler of Madras with his mace on both the left and the right side, Bhima moved not in the least, like a hill riven by the thunder. Similarly, the mighty ruler of Madras, struck by Bhima with his mace, patiently stood still like a hill struck with the thunder. Both of them, with upraised maces, endued as they were with great impetus, fell upon each other, coursing in shorter circles. Quickly nearing each other, then by eight steps and falling upon each other like two elephants, they suddenly struck each other with those maces of theirs made entirely of iron. And each of those heroes, in consequence of the other’s impetuosity and violence being struck with each other’s mace, fell down at the same instant of time like a couple of Indra’s poles. Then the mighty car-warrior Kritavarman quickly approached Salya who, deprived of his senses, was breathing hard as he lay on the field.