Following are a number of back-translations of Revelation 16:7:

• Uma: “From there, I heard speaking/words from the offering burning table that said: ‘O Lord God, thus/so indeed! Your (sing.) punishing is certainly true/right and straight. Your (sing.) power/authority surpasses all.'” (Source: Uma Back Translation)
• Yakan: “Then I heard again a voice from the place of the (sacrificial)-altar. The voice said, ‘O God, you are the Most-Powerful God. Your judgment is straight/right and true.'” (Source: Yakan Back Translation)
• Western Bukidnon Manobo: “Then I heard someone speaking at the sacrificial altar who said, ‘Oh powerful God, Lord of all, it is really true that correct and righteous is Your punishment on mankind!'” (Source: Western Bukidnon Manobo Back Translation)
• Kankanaey: “I also heard a voice from the altar saying, ‘Oh Lord God who is all powerful, what that-aforementioned angel said is true (particle of appreciation/empathy), because what you (sing.) are doing to punish people is correct and righteous.'” (Source: Kankanaey Back Translation)
• Tagbanwa: “And then I also heard speech coming from there at that altar, saying, ‘God who has surpassing supernatural-power, your judging is really righteous/just and truth.'” (Source: Tagbanwa Back Translation)
• Tenango Otomi: “Again I heard someone speak at the altar. He said: ‘You Lord, my God, truly you have all power. Concerning the punishment you give, it is proper that you thus do,’ he said.” (Source: Tenango Otomi Back Translation)