Valmiki Ramayana Sundara Kanda Sarga 22 Shloka 24

नीलजीमूतसङ्काशः looked like a mass of dark cloud, महाभुजशिरोधरः who had strong arms and neck, सिंहसत्त्वगतिः gait like a lion, श्रीमान् prosperous, दीप्तजिह्वाग्रलोचनः with blazing eyes and tongue.

Prosperous Ravana looked like a mass of dark cloud, with strong arms, stout neck, gait of a lion, a blazing tongue and burning eyes