Valmiki Ramayana Yuddha Kanda Sarga 91 Shloka 25

ततः then, परमक्रुद्धः very angry, शीघ्रास्त्रम् quickly, सम्प्रदर्शयन् exhibiting his skill, तान् them, राक्षसान् Rakshasas, सर्वान् all, एकैकम् each one, त्रिभिः three, अविध्यत् struck, तम् them, राक्षसेन्द्रसुतंचापि even the son of Rakshasa king, बाणौघैः by the arrows, समताडयत् pierced

Then extremely angry Lakshmana pierced all the Rakshasas quickly, each one with three arrows and struck them and even the son of Rakshasa king, exhibiting his skills.