Assuming that assinine form, he has to live for a period of two years and then he is killed by a weapon, Renouncing his assinine body, he has to take birth, in his next life, as a deer always anxious (for fear of being killed.)
खरो जीवति वर्षे द्वे ततः शस्त्रेण वध्यते। स मृतो मृगयोनौ तु नित्योद्विग्नोऽभिजायते॥