19 in which also having gone, He preached to the spirits in prison
1 Peter 3:19 Cross References - BLB
1 Peter 1:11-12
11 inquiring into what or what manner of time the Spirit of Christ in them was signifying, testifying beforehand of the sufferings of Christ and the glories after these,
12 to whom it was revealed that they were serving not themselves, but you, in those things which now have been proclaimed to you by those having proclaimed the gospel to you by the Holy Spirit having been sent from heaven, into which angels desire to look.
1 Peter 4:6
6 For to this end the gospel was proclaimed even to the dead, so that they might be judged indeed according to men in the flesh, but they might live in the spirit according to God.
Revelation 19:10
10 And I fell before his feet to worship him. And he says to me, “See that you not do this. I am a fellow servant with you and your brothers, holding the testimony of Jesus. Worship God! For the testimony of Jesus is the spirit of prophecy.”
Revelation 20:7
7 And when the thousand years shall have been completed, Satan will be released out of his prison,