[Heb 7:2] To whom also Abraham gave a tenth part of all; first being by interpretation King of righteousness, and after that also King of Salem, which is, King of peace;
Fire will surround the Holy City forever, the King will stand forever as guard under God on the new earth which the Father with an eternal fire will remake the world and heavens at the time when Gog and Magog come after His Son's temporary 7th day kingdom and do taste of their own ashes, that's one day liken unto a thousand years.
Then cometh the 8th day a new beginning. God lives on earth with the people and there is no more sea just rivers flowing from the Jewel city. The home of the King and His "ekklessia bride" the children of men, washed away from the stain of flesh, made forever like him a child a God. [spinning? Hmm smh] A globe yes [duh].
[Isa 10:17] And the light of Israel shall be for a fire, and his Holy One for a flame: and it shall burn and devour his thorns and his briers in one day;
Hell no. But yes there is an enteral fire that smokes all day and glows all night, it is the men who sinned, trash. Their bodies never decompose. They are the sign of death. The open reason not to sin, for sin is enforced by death by the great King, who died once for many to be made like him. He is merciful and at times dreadful. Yes forever be the Kingdom of God, and forever be His Son our Lord and King. Amen.