Valmiki Ramayana Yuddha Kanda Sarga 103 Shloka 3
Original Shlokaदशग्रीवोरधस्थस्तुरामंवज्रोपमैश्शरैः ।।6.103.3।। आजघानमहाशैलंधाराभिरिवतोयदः ।
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रथस्थः from the chariot दशग्रीवःतु ten headed also, रामम् at Rama, वज्रोपमैः like thunderbolt, शरैःshafts, तोयदः rain cloud, धाराभिः showers, महाशैलम् इव on the huge mountain, आजघान struck
Seated in the chariot, the ten headed Ravana showered thunderbolt like shafts just as rain cloud showers on a huge mountain and struck.