Revelation 4:6 and before the throne there was something like a sea of glass, like crystal; and in the center and around the throne, four living creatures full of eyes in front and behind.

Revelation 5:8 When He had taken the book, the four living creatures and the twenty-four elders fell down before the Lamb, each one holding a harp and golden bowls full of incense, which are the prayers of the saints.

Revelation 12:11 "And they overcame him because of the blood of the Lamb and because of the word of their testimony, and they did not love their life even when faced with death.

Revelation 13:1 And the dragon stood on the sand of the seashore. Then I saw a beast coming up out of the sea, having ten horns and seven heads, and on his horns were ten diadems, and on his heads were blasphemous names.

Revelation 13:14 And he deceives those who dwell on the earth because of the signs which it was given him to perform in the presence of the beast, telling those who dwell on the earth to make an image to the beast who had the wound of the sword and has come to life.

Revelation 13:17 and he provides that no one will be able to buy or to sell, except the one who has the mark, either the name of the beast or the number of his name. (NASB ©1995)