Brihat Parashara Hora Shastra
कुजः समः सिताद्याश्च पापा मारकलक्षणाः । एवं फलं च विज्ञेयं वृश्चिकोदयजन्मनः ॥ ३६॥
Mangal is neutral. Śukr and other malefics acquire the quality of causing death.
english translation
kujaH samaH sitAdyAzca pApA mArakalakSaNAH । evaM phalaM ca vijJeyaM vRzcikodayajanmanaH ॥ 36॥
hk transliteration by Sanscript