death.

Revelation 19:20
But the beast was captured, and with him the false prophet who had performed signs on his behalf, by which he deceived those who had the mark of the beast and worshiped its image. Both of them were thrown alive into the fiery lake of burning sulfur.

Hosea 13:14
I will ransom them from the power of Sheol; I will redeem them from Death. Where, O Death, are your plagues? Where, O Sheol, is your sting? Compassion is hidden from My eyes.

1 Corinthians 15:26, 53
The last enemy to be destroyed is death. . . .

This.

Revelation 20:6
Blessed and holy are those who share in the first resurrection! The second death has no power over them, but they will be priests of God and of Christ, and will reign with Him for a thousand years.

Revelation 21:8
But to the cowardly and unbelieving and abominable and murderers and sexually immoral and sorcerers and idolaters and all liars, their place will be in the lake that burns with fire and sulfur. This is the second death."