I mentioned your response to Barry, and he said, "What about Revelation and the last seal?"
Here it is:
"When he opened the fifth seal, I saw under the altar the souls of those who had been slain because of the word of God and the testimony they had maintained. They call out in a loud voice, 'How long, Sovereing Lord, holy and true, until you judge the inhabitants of the earth and avenge our blood?'" Then each of them was given a white robe, and they were told to wait a little longer until the number of their fellow servants and brothers who were to be killed as they had been was completed."Rev. 6:9-11