Shiva Purana
असंख्याता महावीराः कालाञ्जनसमप्रभाः ॥ सर्वायुधोद्यतकरा यमदूता भयानकाः ॥ ५७ ॥
The attendants of Yama are innumerable. They are great heroes. They have complexions like the black collyrium. They appear terrifying with weapons lifted up.
english translation
asaMkhyAtA mahAvIrAH kAlAJjanasamaprabhAH ॥ sarvAyudhodyatakarA yamadUtA bhayAnakAH ॥ 57 ॥
hk transliteration by Sanscript