“They cried out with a loud voice: “Salvation belongs to our God who sits on the throne, and to the Lamb!”” Revelation 7:10 MEV
The multitude is not crying out for vengeance but standing in awe. Also, notice the similarities between what Jonah said and this. Jonah 2:9 But I will sacrifice to You With the voice of thanksgiving; I will pay what I have vowed. Salvation is of the LORD.”
“for the Lamb who is in the midst of the throne will shepherd them and ‘He will lead them to springs of living water.’ ‘And God will wipe away every tear from their eyes.’”” Revelation 7:17 MEV
Why were there tears in heaven? Also, the fulfilment of Psalm 23.
When He opened the seventh seal, there was silence in heaven for about half an hour. Revelation 8:1 MEV
The wrath of God as it plays out towards the earth dwellers.