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