Valmiki Ramayana 6.95.26

न देवा न च गन्धर्वा न पिशाचा न राक्षसाः।उपसृष्टं परित्रातुं शक्ता रामेण संयुगे॥

na devā na ca gandharvā na piśācā na rākṣasāḥ |upasṛṣṭaṃ paritrātuṃ śaktā rāmeṇa saṃyuge ||

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