One verse

Srimad Bhagavatam 7.10.36

7.10.36

पुनश्च विप्रशापेन राक्षसौ तौ बभूवतु: । कुम्भकर्णदशग्रीवौ हतौ तौ रामविक्रमै: ॥ ३६ ॥

punas ca vipra-sapena raksasau tau babhuvatuh kumbhakarna-dasa-grivau hatau tau rama-vikramaih

punah
again
ca
also
vipra-sapena
being cursed by the brahmanas
raksasau
the two Raksasas
tau
both of them
babhuvatuh
incarnated as
kumbhakarna-dasa-grivau
known as Kumbhakarna and the ten-headed Ravana (in their next birth)
hatau
they also were killed
tau
both of them
rama-vikramaih
by the extraordinary strength of Lord Ramacandra.

Being cursed by the brahmanas, the same two associates took birth again as Kumbhakarna and the ten-headed Ravana. These two Raksasas were killed by Lord Ramacandra’s extraordinary power.