Revelation 2:23

2:23 Furthermore, I will strike her followers with a deadly disease, and then all the churches will know that I am the one who searches minds and hearts. I will repay each one of you what your deeds deserve.

Revelation 5:8

5:8 and when he had taken the scroll, the four living creatures and the twenty-four elders threw themselves to the ground before the Lamb. Each of them had a harp and golden bowls full of incense (which are the prayers of the saints).