Revelation 16:7
And I heard a voice from the altar say, "Even so, O Lord God, the Ruler of all, true and righteous are Thy judgments."
Revelation 6:9
When the Lamb broke the fifth seal, I saw at the foot of the altar the souls of those whose lives had been sacrificed because of the word of God and of the testimony which they had given.
Revelation 19:2
True and just are His judgments, because He has judged the great Harlot who was corrupting the whole earth with her fornication, and He has taken vengeance for the blood of His bondservants which her hands have shed."
Revelation 14:18
And another angel came out from the altar--he who had power over fire--and he spoke in a loud voice to him who had the sharp sickle, saying, "Use your sharp sickle, and gather the bunches from the vine of the earth, for its grapes are now quite ripe."
Revelation 8:3-5
And another angel came and stood close to the altar, carrying a censer of gold; and abundance of incense was given to him that he might place it with the prayers of all God's people upon the golden altar which was in front of the throne.
Revelation 13:10
If any one is eager to lead others into captivity, he must himself go into captivity. If any one is bent on killing with the sword, he must himself be killed by the sword. Here is an opportunity for endurance, and for the exercise of faith, on the part of God's people.
Revelation 14:10
he shall drink the wine of God's anger which stands ready, undiluted, in the cup of His fury, and he shall be tormented with fire and sulphur in the presence of the holy angels and of the Lamb.
Revelation 15:3-4
And they were singing the song of Moses, God's servant, and the song of the Lamb. Their words were, "Great and wonderful are Thy works, O Lord God, the Ruler of all. Righteous and true are Thy ways, O King of the nations.