Valmiki Ramayana 7.16.42

अवध्यत्वं मया प्राप्तं देवगन्धर्वदानवैः ।राक्षसैर्गुह्यकैर्नागैर्ये चान्ये बलवत्तराः॥

avadhyatvaṃ mayā prāptaṃ devagandharvadānavaiḥ |rākṣasairguhyakairnāgairye cānye balavattarāḥ ||

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