Chapter 19 — Yuddha Kanda, Sarga 19

Valmiki Ramayana — Yuddha Kanda

Verse 19.6

अवध्यः सर्वभूतानां गन्धर्वोरंगपक्षिणाम्। राजपुत्र दशग्रीवो वरदानात्स्वयंभुवः॥

avadhyaḥ sarvabhūtānāṃ gandharvoraṃgapakṣiṇām| rājaputra daśagrīvo varadānātsvayaṃbhuvaḥ||

English Meaning

O prince, by virtue of the bocn acquired from the Self-Create, the Ten-necked one is incapable of being slain by all creatures-Gandharvas, serpents, or birds.

M.N. Dutt (1891–94, public domain)