And when He had opened the fifth seal, I saw under the altar the souls of those who had been slain for the Word of God, and for the testimony which they held.

And another angel came and stood at the altar, having a golden censer. And many incenses were given to him, so that he should offer it with the prayers of all saints on the golden altar before the throne.

And another angel came out from the altar, who had authority over fire. And he spoke with a great cry to him who had the sharp sickle, saying, Thrust in your sharp sickle, and gather the clusters of the vine of the earth, for her grapes are fully ripe.

Then one of the seraphs flew to me, having a live coal in his hand, snatched with tongs from the altar.

And He spoke to the man clothed with linen, and said, Go in among the wheels, under the cherub, and fill your hands with coals of fire from between the cherubs, and scatter them on the city. And he went in before me.

Even

And they sing the song of Moses the servant of God, and the song of the Lamb, saying, Great and marvelous are Your works, Lord God Almighty, just and true are Your ways, O King of saints.

True

He who leads into captivity will go into captivity. If anyone will kill with the sword, he must be killed by a sword. Here is the patience and the faith of the saints.

he also will drink of the wine of the anger of God, having been mixed undiluted in the cup of His wrath. And he will be tormented by fire and brimstone before the holy angels, and in the presence of the Lamb.

For true and righteous are His judgments. For He has judged the great harlot who defiled the earth with her fornication, and He has avenged the blood of His servants out of her hand.

General references

TZADDI: You are righteous, O Jehovah, and Your judgments are right.