He should also be master of the various sorts of battle array and with the uses of engines and weapons. He should be able to bear exposure to rain, cold, heat, and wind, and watchful of the shortcomings of foes.
व्यूहयन्त्रायुधानां च तत्त्वज्ञो विक्रमान्वितः वर्षशीतोष्णवातानां सहिष्णुः पररन्ध्रवित्॥