Revelation 1:18; Revelation 3:7; Revelation 9:1; Revelation 20:1

Revelation 1:18

18 I am he that liveth, and was dead; and, behold, I am alive for evermore, Amen; and have the keys of hell and of death.

Revelation 3:7

7 And to the angel of the church in Philadelphia write; These things saith he that is holy, he that is true, he that hath the key of David, he that openeth, and no man shutteth; and shutteth, and no man openeth;

Revelation 9:1

1 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.

Revelation 20:1

1 And I saw an angel come down from heaven, having the key of the bottomless pit and a great chain in his hand.