Now when the Lamb opened the fifth seal, I saw under the altar the souls of those who had been violently killed because of the word of God and because of the testimony they had given.

Another angel holding a golden censer came and was stationed at the altar. A large amount of incense was given to him to offer up, with the prayers of all the saints, on the golden altar that is before the throne.

Another angel, who was in charge of the fire, came from the altar and called in a loud voice to the angel who had the sharp sickle, "Use your sharp sickle and gather the clusters of grapes off the vine of the earth, because its grapes are now ripe."

But then one of the seraphs flew toward me. In his hand was a hot coal he had taken from the altar with tongs.

The Lord said to the man dressed in linen, "Go between the wheelwork underneath the cherubim. Fill your hands with burning coals from among the cherubim and scatter them over the city." He went as I watched.

Even

They sang the song of Moses the servant of God and the song of the Lamb: "Great and astounding are your deeds, Lord God, the All-Powerful! Just and true are your ways, King over the nations!

True

If anyone is meant for captivity, into captivity he will go. If anyone is to be killed by the sword, then by the sword he must be killed. This requires steadfast endurance and faith from the saints.

that person will also drink of the wine of God's anger that has been mixed undiluted in the cup of his wrath, and he will be tortured with fire and sulfur in front of the holy angels and in front of the Lamb.

because his judgments are true and just. For he has judged the great prostitute who corrupted the earth with her sexual immorality, and has avenged the blood of his servants poured out by her own hands!"

General references

(Tsade) You are just, O Lord, and your judgments are fair.