Summary of chapter 38 of the Vāmana Mahā Purana is as follows:

Equipped with the invincible spear granted by Parameśvara Śiva and cheered by the devas, the young commander Kārttikeya marches to battle against the formidable demon king Tārakāsura and his ally Mahisha. A terrifying war ensues on the battlefield where celestial weapons illuminate the skies and demonic illusions are shattered by the spiritual power of Kārttikeya. With swift divine precision, Kārttikeya hurls his golden spear, piercing the heart of Tāraka and vanquishing the demonic general Mahisha, thereby liberating the heavenly realms and restoring Indra and the devas to their rightful thrones.