Who said "I do not fear death. I have already stared into its face."?

This quote is attributed to Mountain.

I do not fear death. I have already stared into its face. - Mountain

"I do not fear death. I have already stared into its face."

Mountain Death

"I am the Mountain."

"The strong do what they can, and the weak suffer what they must."

"Ours is the fury."

"A man's worth is measured by his strength."

"Death doesn't scare me anymore."

"Death and I are old friends."

"Welcome to my world."

"Death is just the beginning."