"And as it is appointed unto men once to die, but after this the judgment:" (Heb. 9:27).
"Blessed and holy is he that hath part in the first resurrection: on such the second death hath no power, but they shall be priests of God and of Christ, and shall reign with him a thousand years" (Rev. 20:6).
The second death is suffered by those who are part of the "second resurrection" (which is the resurrection of the wicked; see the two resurrections
"And death and hell were cast into the lake of fire. This is the second death" (Rev. 20:14).
The "lake of fire" causes the second death.
"But the fearful, and unbelieving, and the abominable, and murderers, and whoremongers, and sorcerers, and idolaters, and all liars, shall have their part in the lake which burneth with fire and brimstone: which is the second death" (Rev. 21:8).
"And whosoever was not found written in the book of life was cast into the lake of fire" (Rev. 20:15).
All who have died, both the righteous and the wicked, will be resurrected. See the return of Jesus Christ to planet earth
and the two resurrections
Some of you won't receive the truth of the Word, despite the indisputable nature of the evidence just presented to you. If you feel you have a point of dispute, or if you think I missed something that could strengthen the truth presented here, please send it to me and I will review it thoroughly and respond.