Valmiki Ramayana Aranya Kanda Sarga 32 Shloka 18
Original Shlokaदेवदानवगन्धर्वपिशाचपतगोरगैः। अभयं यस्य सङ्ग्रामे मृत्युतो मानुषादृते।।3.32.18।।
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यस्य for whom, सङ्ग्रामे in war, मानुषात् ऋते except by humans, देवदानवगन्धर्वपिशाचपतगोरगैः by gods, demons, gandharvas, pisachas birds and snakes, मृत्युतः death, अभयम् fearless.
He was unafraid of death in the hands of gods or demons or gandharvas or pisachas or birds or snakes in war except humans.