He is hidden from the public gaze so we must slay him, had he been fighting openly the leaders of the monkey hosts could have slain that Räks asas.
तमेनं मायिनं क्षुद्रमन्तर्हितरथं बलात्। राक्षसं निहनिष्यन्ति दृष्ट्वा वानरयूथपाः॥