You do not know that Keshava is incapable of being fought with in battle by the gods, the human beings, the Gandharvas, the Asuras and the Nagas.
तेवैर्मनुष्यैर्गन्धर्वैरसुरैरुरगैश्च यः। न सोढुं समरे शक्यस्तं न बुद्ध्यसि केशवम्॥