Avatar: The Last Airbender (TV Series)

Sozin's Comet, Part 4: Avatar Aang (2008)

Kevin Michael Richardson: Lion Turtle

Quotes 

• Lion Turtle : In the era before the Avatar, we Bent not the elements, but the energy within ourselves.

• Lion Turtle : To bend another's energy, your own spirit must be unbendable, or you will be corrupted and destroyed.