Who said "I understand death because I have caused so much of it."?

This quote is attributed to Black Sky.

I understand death because I have caused so much of it. - Black Sky

"I understand death because I have caused so much of it."

Black Sky Death

"I am the instrument of my own destiny."

"Weakness is a choice, not a condition."

"The world bends to those willing to break it."

"Pain is simply the price of becoming something more."

"Death doesn't scare me anymore."

"Death and I are old friends."

"Welcome to my world."

"Death is just the beginning."