A Clash of Kings – Drogon
Then indigo turned to orange, and whispers turned to screams. Her heart was pounding, racing, the hands and mouths were gone, heat washed over her skin, and Dany blinked at a sudden glare. Perched above her, the dragon spread his wings and tore at the terrible dark heart, ripping the rotten flesh to ribbons, and when his head snapped forward, fire flew from his open jaws, bright and hot. She could hear the shrieks of the Undying as they burned, their high thin papery voices crying out in tongues long dead. Their flesh was crumbling parchment, their bones dry wood soaked in tallow. They danced as the flames consumed them; they staggered and writhed and spun and raised blazing hands on high, their fingers bright as torches.
A Clash of Kings Chapter 48 – Daenerys
Drogon comes to his mother’s rescue in the House of the Undying. Remember everybody. If you come for the queen, you best not miss.