Valmiki Ramayana Yuddha Kanda Sarga 71 Shloka 72
Original Shlokaपूर्णायतविसृषेनशरेणनतपर्वणा ।।6.71.72।। ललाटेराक्षसश्रेष्ठमाजघान स वीर्यवान् ।
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वीर्यवान heroic, सः he, पूर्णायतविसृषेन fully stretching, नतपर्वणा bending to curvature, शरेण the arrow, राक्षसश्रेष्ठम् foremost of the Rakshasas, ललाटे forehead, आजघान struck.
The heroic Lakshmana fully stretching the arrow bending to curvature struck Atikaya, the foremost of Rakshasas on his forehead.