Revelation 5:10

5:10 You have appointed them as a kingdom and priests to serve our God, and they will reign on the earth.”

Revelation 1:6

1:6 and has appointed us as a kingdom, as priests serving his God and Father – to him be the glory and the power for ever and ever! Amen.

Revelation 20:6

20:6 Blessed and holy is the one who takes part in the first resurrection. The second death has no power over them, but they will be priests of God and of Christ, and they will reign with him for a thousand years.