Valmiki Ramayana Yuddha Kanda Sarga 94 Shloka 35

हतैः killed, गजपदात्यश्वैःelephants, foot soldiers, horses तत् there, रणाजिरम् the battlefield, क्रुद्धस्य angry, महात्मनः great, रुद्रस्य Rudra's, अक्रीडभूमिःइव sports in field, बभूव seen

With the elephants, horses, and foot soldiers killed, the battlefield was like the ground where mighty Rudra sported in anger.