Skanda Purana 7.20.268

7.20.268

pramathāsurasusainyayostumule yuddhe vartamāne śaṃkukarṇaprabhṛtīnāṃ daśānāṃ pravaragaṇeśvarāṇāmasurabalāntaḥpraveśaḥ, asurāṇāṃ vyūhabhaṅgaḥ, ubhayoḥ pakṣayordāruṇaḥ saṃgharṣaḥ .

While the tumultuous battle between the two forces of the pramathas and asuras is underway, the penetration into the asura army by the ten foremost leaders of the gaṇas headed by Śaṅkukarṇa; the breaking of the asuras' battle-array; the terrible clash between the two sides.