Revelation 1:18; Revelation 6:8; Revelation 20:14

Revelation 1:18

18 I am he that liveth, and was dead; and, behold, I am alive for evermore, Amen; and have the keys of hell and of death.

Revelation 6:8

8 And I looked, and behold a pale horse: and his name that sat on him was Death, and Hell followed with him. And power was given unto them over the fourth part of the earth, to kill with sword, and with hunger, and with death, and with the beasts of the earth.

Revelation 20:14

14 And death and hell were cast into the lake of fire. This is the second death.