I believe from what scripture says, hell is eternal.

"And if your hand or your foot causes you to stumble, cut it off and throw it from you; it is better for you to enter life crippled or lame, than having two hands or two feet, to be cast into the eternal fire," (Matt. 18:8).

"And these will go away into eternal punishment, but the righteous into eternal life" (Matt. 25:46).
  • "And these will pay the penalty of eternal destruction, away from the presence of the Lord and from the glory of His power," (2 Thess. 1:9).
  • "Just as Sodom and Gomorrah and the cities around them, since they in the same way as these indulged in gross immorality and went after strange flesh, are exhibited as an example, in undergoing the punishment of eternal fire" (Jude 7).
  • These men are those who are hidden reefs in your love feasts when they feast with you without fear, caring for themselves; clouds without water, carried along by winds; autumn trees without fruit, doubly dead, uprooted; 13 wild waves of the sea, casting up their own shame like foam; wandering stars, for whom the black darkness has been reserved forever," (Jude12-13).
The Greek phrase "aionas ton aionon," which is translated "forever and ever," occurs 18 times in the Greek New Testament. In 17 of them, the phrase means without end, extending into infinity. In Rev. 19:3, the phrase is used to describe the destruction of the great whore of Babylon (Rev. 17:1,4) whose smoke ascends forever and ever. It too is eternal and it signifies the beginning of the eternal judgment that comes upon her.
Also worth examining is Rev. 14:11: "And the smoke of their torment goes up forever and ever; they have no rest day and night and , those who worship the beast and his image, and whoever receives the mark of his name."
The Greek in Rev. 14:11 is only slightly different. In the table above, "forever and ever" is translated from the Greek, "aionas ton aionon," which is literally "ages of the of ages." In Rev. 14:11, the Greek is "aionas aionon" which is literally, "ages of ages." In the latter, the single Greek word "of the" is missing. But it is not necessary and does not change the meaning of the text. Therefore, the scripture teaches the smoke of their torment goes up forever, without end.
Wow..that is a very interesting story. I believe that guy because I believe God shows those things to people as a sort of proof to the world that God himself, and all these things exist.