Valmiki Ramayana 6.100.1

महोदरमहापार्शो हतौ दृष्ट्वा तु राक्षसौ।तस्मिंश्च निहते वीरे विरूपाक्षे महाबले।आविवेश महान् क्रोधो रावणं तं महामृधे॥

mahodaramahāpārśo hatau dṛṣṭvā tu rākṣasau |tasmiṃśca nihate vīre virūpākṣe mahābale |āviveśa mahān krodho rāvaṇaṃ taṃ mahāmṛdhe ||

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