Revelation 9:13

"And the sixth angel sounded, and I heard a voice from the four horns of the golden altar which is before God,"

Cross References (ranked by relevance)

And having an high priest over the house of God;

And the fifth angel sounded, and I saw a star fall from heaven unto the earth: and to him was given the key of the bottomless pit.

Hebrews 9:24

For Christ is not entered into the holy places made with hands, which are the figures of the true; but into heaven itself, now to appear in the presence of God for us: