Valmiki Ramayana 5.58.15

श्रुत्वा नगानां चरितं महेन्द्रः पाकशासनः ।चिच्छेद भगवान् पक्षान् वज्रेणैषां सहस्रशः॥

śrutvā nagānāṃ caritaṃ mahendraḥ pākaśāsanaḥ |ciccheda bhagavān pakṣān vajreṇaiṣāṃ sahasraśaḥ ||

Our plain-language meaning of this verse is waiting for scholar review.