Shiva Purana

siva.sh/siva-purana/kotirudra-samhita/28/22

तस्मिँलिंगे स्थिते तत्र सर्वलोकहिताय वै ।। रावणः स्वगृहं गत्वा वरं प्राप्य महोत्तमम् ।। प्रियायै सर्वमाचख्यौ सुखेनाति महासुरः ।। २२ ।।

sanskrit

It stood there for the benefit of the worlds. Rāvaṇa returned to his abode after securing the blissful boon.

english translation

tasmi~liMge sthite tatra sarvalokahitAya vai || rAvaNaH svagRhaM gatvA varaM prApya mahottamam || priyAyai sarvamAcakhyau sukhenAti mahAsuraH || 22 ||

hk transliteration by Sanscript