Valmiki Ramayana Yuddha Kanda Sarga 44 Shloka 36
Original Shlokaसरामंलक्ष्मणंचैवघोरैर्नागमयैश्शरैः । बिभेदसमरेक्रुद्धःसर्वगात्रेषुराक्षसः ।।6.44.36।।
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क्रुद्धः angry, समरे in war, घोरैः terrific, नागमयैः full of serpents, शरैः arrows, राक्षसः Rakshasa, रामंच at Rama, लक्ष्मणंचैव and Lakshmana, सर्वगात्रेषु all over the body, बिभेद pierced.
The angry Rakshasa (remaining invisible) pierced arrows full of serpents all over the body of Rama and Lakshmana.