While Karna was fighting with the unconquerable ariny of the Pandavas, it was vigorously protected by the wilder of Gandiva.
प्रमुखस्थे तदा कर्णे बलं पाण्डवरक्षितम्। दुरासदं तदा गुप्तं व्यूढं गाण्डीवधन्वना॥