Valmiki Ramayana Yuddha Kanda Sarga 93 Shloka 25

कालानगिरिव like fire of universal destruction, सङ्क्रुद्धः highly enraged, यांयाम् wherever, दिशम् direction, अवैक्षत looking, तस्यांतस्याम् in those and those, राक्षसाः Rakshasa, भयत्रस्ताः fearing, संविलियलिरे hid themselves

Fearing Ravana who was enraged like the time of universal destruction, the Rakshasashid themselves in the very quarter he was looking.