Valmiki Ramayana 6.104.21

तद्रावणकरान्मुक्तं विद्युज्ज्वालासमाकुलम् ।अष्टघण्टं महानादं वियद्गतमशोभत॥

tadrāvaṇakarānmuktaṃ vidyujjvālāsamākulam |aṣṭaghaṇṭaṃ mahānādaṃ viyadgatamaśobhata ||

Our plain-language meaning of this verse is waiting for scholar review.