Skandapurana 1.3.34.31

1.3.34.31

30 svaprauḍhiṃ valgamānasya tasyendrādibhiḥ saha tumulasaṃgrāme devānāṃ parājayaṃ dṛṣṭvā kārtike yasvāminastārakāsureṇa saha dvandvayuddhavarṇanam, kumārasya yuddhaṃ dṛṣṭvā khinnānāṃ yuddhāvalokanārthaṃ samāgatānāṃ himālayādīnāṃ kumāreṇa sāntvanam, tataḥ kumāreṇa tārakaśiraśchedakaraṇam, tatastārakavadhena kumārasya jayaprāptipūrvakaṃ sarvadevakṛtakumāravijayotsa- vavarṇanam.. ... 61

30. Seeing that he was boasting of his own might and that the gods were defeated in the tumultuous battle with Indra and the others, the description of the duel between Lord Kārttikeya and the demon Tāraka; Kumāra consoled Himālaya and the others who had arrived to watch the battle and were distressed at seeing Kumāra fighting; then Kumāra severed Tāraka's head; then the description of Kumāra's attainment of victory through the slaying of Tāraka, followed by the festival of Kumāra's victory celebrated by all the gods.