Shiva Purana
राजा मित्रसहः शापाद्गुरो ऋषिवरस्य हि ॥ बभूव राक्षसो घोरो हिंसको वनगोचरः ॥ १६॥
By the curse of his preceptor the leading sage, the king Mitrasaha became a terrible violent Rākṣasa, roaming in the forest.
english translation
rAjA mitrasahaH zApAdguro RSivarasya hi ॥ babhUva rAkSaso ghoro hiMsako vanagocaraH ॥ 16॥
hk transliteration by Sanscript