Valmiki Ramayana Yuddha Kanda Sarga 75 Shloka 7

तदा then, हुतभुक् fire, तेषाम् their, गृहसहस्राणि thousands of houses, ददाह burnt, पर्वताकाराः of mountain like form, प्रासादाः mansions, धरणीतले on the ground, पतन्ति collapsed.

Then thousands of their houses were burnt by fire (consumer of offerings), and mountain like mansions collapsed to the ground.