Unable to bear this, Bhishma though he knew Arjuna's prowess covered Dhananjaya, the son of Pandu with celestials weapons.
अमृष्यमाणस्तद् भीष्मो जानन्नपि स पाण्डवम्। दिव्येनास्त्रेण महता धनंजयप्रवाकिरत्॥