Indeed the battle that then raged between the warriors that were intent on destroying and protecting Drona indeed such a battle was never seen or heard of before.
नैतादृशो दृष्टपूर्वः संग्रामो नैव च श्रुतः। द्रोणस्याभावभावे तु प्रसक्तानां यथाऽभवत्॥