Vritra was killed by the holder of thunderbolt and Karna has been killed by you. They will simultaneously talk of the destruction of Vritra and Karna.
हतो वज्रभृता वृत्रस्त्वया कर्णो धनंजय। वृत्रकर्णवधं घो कथयिष्यन्ति मानवाः॥