I had always thought that those two mighty car-warriors Bhishma and Drona would kill, without any doubt, Bhima and Arjuna.
मनोगतं मम ह्यासीद् भीष्मद्रोणौ महारथौ॥ अर्जुनं भीमसेनं च निहन्ताराविति ध्रुवम्।