Valmiki Ramayana Yuddha Kanda Sarga 68 Shloka 10

हा Ha, वीर hero, रिपुदर्पघ्न who crushed the pride of enemy, महाबल of great prowess, कुम्भकर्ण Kumbhakarna, त्वम् you, माम् to me, विहाय deserted, दैवात् divine will, यमसादनम् abode of god of death, यातःअसि you actually.

"Ha! Hero! Kumbhakarna! You, who crushed the pride of the enemy, endowed with great prowess have deserted me and gone to the abode of death, actually by divine will."