Valmiki Ramayana Aranya Kanda Sarga 47 Shloka 26
Original Shlokaयेन वित्रासिता लोकास्सदेवासुरपन्नगाः। अहं तु रावणो नाम सीते रक्षोगणेश्वरः।।3.47.26।।
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सीते O Sita, अहम् I am, येन by whom, सदेवासुरपन्नगाः asuras and pannagas along with gods, लोकाः worlds, वित्रासिताः are frightened, रक्षोगणेश्वरः lord of demons, रावणो नाम Ravana by name.
O Sita I am called Ravana, the lord of demons by whom all the worlds of demons, snakes and gods are frightened.