Valmiki Ramayana Aranya Kanda Sarga 43 Shloka 38
Original Shlokaएतेन हि नृशंसेन मारीचेनाकृतात्मना। वने विचरता पूर्वं हिंसिता मुनिपुङ्गवाः।।3.43.38।।
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नृशंसेन by cruel, अकृतात्मना by evilminded, वने in the forest, विचरता while wandering, एतेन by him, मारीचेन Maricha, पूर्वम् earlier, मुनिपुङ्गवाः great sages, हिंसिताः are harassed.
The great sages were tortured and killed earlier by this cruel, evilminded Maricha while wandering in the forest.