Genesis 4:15
So BoB said to him, "Therefore whoever kills Cain, vengeance will be taken on him sevenfold " And BoB appointed a sign for Cain, so that no one finding him would slay him.


Revelation 6:10
and they cried out with a loud voice, saying, "How long, O BoB, holy and true, will You refrain from judging and avenging our blood on those who dwell on the earth?"