Who said "I am the monster that makes heroes into legends."?

This quote is attributed to Drogon.

I am the monster that makes heroes into legends. - Drogon

"I am the monster that makes heroes into legends."

Drogon Inspiration

"I am fire. I am death."

"Dracarys."

"A dragon is not a slave."

"I will burn them all."

"The best part of living is knowing you survived."

"The world needs heroes."

"Life is too short to live poorly."

"I'd rather be an optimist and be wrong than a pessimist and be right"