Revelation 20:14

And Death and Hades were thrown into the lake of fire. This is the second death--the lake of fire.

1 Corinthians 15:26

The last enemy to be abolished [is] death.

Revelation 20:6

Blessed and holy [is] the one who has a part in the first resurrection. Over this person the second death has no authority, but they will be priests of God and of Christ, and they will reign with him a thousand years.

Revelation 19:20

And the beast was seized, and with him the false prophet who performed the signs before him, by which he deceived those who received the mark of the beast and those who had worshiped his image. The two were thrown alive into the lake of fire that burns with sulphur.

Revelation 21:8

But [as] for the cowards and unbelievers and detestable persons and murderers and sexually immoral people and sorcerers and idolaters and all liars, their share [is] in the lake that burns with fire and sulphur, which is the second death.

Hosea 13:14

Should I redeem them from {the power} of Sheol? Should I deliver them from death? Where [are] your plagues, Death? Where [is] your destruction, Sheol? Compassion is hidden from my eyes.

1 Corinthians 15:53

For it is necessary [for] this perishable [body] to put on incorruptibility, and this mortal [body] to put on immortality.

Revelation 1:18

and the one who lives, and I was dead, and behold, I am living {forever and ever}, and I hold the keys of death and of Hades.

Revelation 20:10

And the devil who deceived them was thrown into the lake of fire and sulphur, where the beast and the false prophet also [are], and they will be tormented day and night {forever and ever}.

Revelation 20:13

And the sea gave up the dead [who were] in it, and Death and Hades gave up the dead [who were] in them, and each one was judged according to their deeds.

Revelation 20:15

And if anyone was not found written in the book of life, he was thrown into the lake of fire.

Revelation 21:4

And he will wipe away every tear from their eyes, and death will not exist [any] longer, and mourning or wailing or pain will not exist [any] longer. The former [things] have passed away."

Treasury of Scripture Knowledge

Summary

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

Bible References

This

Revelation 20:6
Blessed and holy [is] the one who has a part in the first resurrection. Over this person the second death has no authority, but they will be priests of God and of Christ, and they will reign with him a thousand years.
Revelation 21:8
But [as] for the cowards and unbelievers and detestable persons and murderers and sexually immoral people and sorcerers and idolaters and all liars, their share [is] in the lake that burns with fire and sulphur, which is the second death.

General references

Ecclesiastes 12:14
For God will bring every deed into judgment, including every secret thing, whether good or evil.
1 Corinthians 15:26
The last enemy to be abolished [is] death.
Galatians 6:5
For each one will carry his own burden.