Revelation 6:9
9 When he opened the fifth seal, I saw under vthe altar wthe souls of those who had been slain xfor the word of God and for ythe witness they had borne.
Revelation 20:4
4 Then I saw tthrones, and useated on them were those to whom the authority to judge was committed. Also I saw vthe souls of those who had been beheaded for the testimony of Jesus and for the word of God, and those wwho had not worshiped the beast or its image and had not received its mark on their foreheads or their hands. xThey came to life and yreigned with Christ for a thousand years.