Revelation 9:13
Then the sixth angel blew his trumpet, and I heard a voice from the four horns of the golden altar before God,
Exodus 30:2-3
A cubit shall be its length, and a cubit its breadth. It shall be square, and two cubits shall be its height. Its horns shall be of one piece with it.
Hebrews 9:24
For Christ has entered, not into holy places made with hands, which are copies of the true things, but into heaven itself, now to appear in the presence of God on our behalf.
Hebrews 10:21
and since we have a great priest over the house of God,
Revelation 8:3-5
And another angel came and stood at the altar with a golden censer, and he was given much incense to offer with the prayers of all the saints on the golden altar before the throne,
Revelation 9:1
And the fifth angel blew his trumpet, and I saw a star fallen from heaven to earth, and he was given the key to the shaft of the bottomless pit.