The hero suffered hardships in the forest and was instructed by Indra. Indignant (as he is) he is equal to Vasava in battle.
क्लेशितश्च वने शूरो वासवेनापि शिक्षितः। अमर्षवशमापन्नो वासवप्रतिमो युधि। नेहास्य प्रतियोद्धारमहं पश्यामि कौरवाः॥