Revelation 7:1

The Sealing of the 144,000

7:1 After this I saw four angels standing at the four corners of the earth, holding back the four winds of the earth so no wind could blow on the earth, on the sea, or on any tree.

Revelation 8:3

8:3 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.

Revelation 15:2

15:2 Then I saw something like a sea of glass mixed with fire, and those who had conquered the beast and his image and the number of his name. They were standing by the sea of glass, holding harps given to them by God.