Valmiki Ramayana 6.118.14

निर्जिता जीवलोकस्य तपसा भावितात्मना ।अगस्त्येन दुराधर्षा मुनिना दक्षिणेव दिक्॥

nirjitā jīvalokasya tapasā bhāvitātmanā |agastyena durādharṣā muninā dakṣiṇeva dik ||

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