Who said "I harbor no fear, only the certainty of my dominion."?

This quote is attributed to Drogon.

I harbor no fear, only the certainty of my dominion. - Drogon

"I harbor no fear, only the certainty of my dominion."

Drogon Fear

"I am fire. I am death."

"Dracarys."

"A dragon is not a slave."

"I will burn them all."

"Face your fears with courage."

"You can't live your life in fear."

"Snakes. Why'd it have to be snakes?"

"Fear is just another obstacle to overcome."