Key

Then I saw an angel coming down from heaven with the key to the Abyss, holding in his hand a great chain.

I will place on his shoulder the key to the house of David. What he opens no one can shut, and what he shuts no one can open.

Woe to you experts in the law! For you have taken away the key to knowledge. You yourselves have not entered, and you have hindered those who were entering.”

the Living One. I was dead, and behold, now I am alive forever and ever! And I hold the keys of Death and of Hades.

Then the fifth angel sounded his trumpet, and I saw a star that had fallen from heaven to earth, and it was given the key to the pit of the Abyss.