Valmiki Ramayana Yuddha Kanda Sarga 68 Shloka 2

राजन् king, कालसङ्काशः equal to god of death, सः he, वानरीम् Vanaras, सेनाम् army, विद्राव्य having scattered, वानरान् Vanaras, भक्षयित्वा devouring, कालकर्मणा by consequence of time (fate), संयुक्तः joined death.

"O King! Kumbhakarna, who was equal to the God of Death, devoured and won over the Vanaras, scattered the army, has joined death as a consequence of time (fate)."