Valmiki Ramayana 6.91.1

स हताश्वो महातेजा भूमौ तिष्ठन्निशाचरः।इन्द्रजित् परमक्रुद्धः सम्प्रजज्वाल तेजसा॥

sa hatāśvo mahātejā bhūmau tiṣṭhanniśācaraḥ |indrajit paramakruddhaḥ samprajajvāla tejasā ||

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