Revelation 20:14, 15

14 Then death and Hades ([d]the state of death or disembodied existence) were thrown into the lake of fire. This is the second death, the lake of fire.

15 And if anyone’s [name] was not found recorded in the Book of Life, he was hurled into the lake of fire.

Revelation 20:14-15 

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

15 And whosoever was not found written in the book of life was cast into the lake of fire.