Never had a deer, pierced by Parikshit, escaped in the forest with life. This deer, however, wounded as the others, fled away with speed. It shows the proximity of the king's going to heaven (death).
न हि तेन मृगो विद्धो जीवन्गच्छति वै वने। पूर्वरूपं तु तत्तूर्णं सोऽगात्स्वर्गगति प्रति॥