He is incapable of being vanquished in battle by all the celestials and the Asuras. Therefore, my opinion is to defeat him in a single combat.
न शक्योऽसौ रणे जेतुं सर्वैरपि सुरासुरैः। बाहुयुद्धेन जेतव्यः स इत्युपलभामहे॥