Valmiki Ramayana Bala Kanda Sarga 3 Shloka 35
Original Shlokaविभीषणेन संसर्गं वधोपायनिवेदनम् । कुम्भकर्णस्य निधनं मेघनादनिबर्हणम् ।।1.3.35।।
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विभीषणेन with Vibhishana, संसर्गम् association, वधोपायनिवेदनम् disclosure of means of destruction of Ravana, कुम्भकर्णस्य निधनम् death of Kumbhakarna, मेघनादनिबर्हणम् killing of Meghanada.
(He described) the association with Vibhisana, disclosure of the means of destruction (of Ravana), the death of Kumbhakarna, and the killing of Meghanada.