Valmiki Ramayana Yuddha Kanda Sarga 52 Shloka 9
Original Shlokaतद्भभूवाद्भुतंघोरंयुद्धंवानररक्षसाम् । शिलाभिर्विविधाभिश्चबहुभिश्चैवपादपैः ।।6.52.9।।
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विविधाभिः of several kinds, शिलाभिः rocks, बहुभिः many, पादपैः trees, तत् there, वानररक्षसाम् between Vanaras and Rakshasas, घोरम् fierce, युद्धम् war, अद्भुतम् च wonderful, बभूव took place.
Wonderful fight took place between Vanaras and Rakshasas who held trees and rocks of several kinds.