तत्रोपसदन चक्रे द्रोणस्येष्वस्त्रकर्मणि । सख्यं दुर्योधनेनैवमगमत् स च वीर्यवान्,वहाँ उसने धरनुर्वेदकी शिक्षा लेनेके लिये आचार्य द्रोणकी शिष्यता स्वीकार की। इस प्रकार पराक्रमी कर्णकी दुर्योधनके साथ मित्रता हो गयी
tatro'pasadanaṃ cakre droṇasyeṣv-astrakarmaṇi | sakhyaṃ duryodhanenaivam agamat sa ca vīryavān ||
Ali ele ingressou formalmente como discípulo de Droṇa para aprender as disciplinas do arco e o uso das armas de arremesso. Assim, o valente Karṇa ficou ligado em amizade a Duryodhana—uma aliança que mais tarde moldaria lealdades e escolhas morais no conflito que se aproximava.
वैशम्पायन उवाच
Training and capability are shaped not only by a teacher but also by the alliances one forms; friendship can become a binding moral force that later influences choices of loyalty and dharma.
Karṇa approaches Droṇa and becomes his student to learn archery and weapon-skills; through this development, Karṇa’s friendship with Duryodhana is established.