Sheva - 34:38 Those who seek to neutralize Our Verses, they will remain in torment.
They will remain in the torment of Hell forever:
The Ornaments of Gold/43:74 The guilty will abide forever in the torment of Hell.
The Ornaments of Gold/43:75 They will not be relieved from it and they will be despairing therein.
The Ornaments of Gold/43:76 We did not wrong them, but they wronged themselves.
The Ornaments of Gold/43:77 "They call out, "O Malik, let your Lord finish us". He says: "You will remain like this"."

Ta-Ha/20:74 Whoever comes to his Lord guilty, he deserves Hell; he will neither live nor die therein.

The Criterion/25:13 When they are thrown into it in chains from a narrow place, they call for death
The Criterion/25:14 Call not one death this day, but many deaths.

Prophet Abraham/14:17 He will try to swallow it, but he will not be able to choke it down. Death will come to him from all sides, but he will not die. And a severe torment will follow.

Prophet Hud/11:106 The unfortunate are in the Fire. They will groan therein.
Prophet Hud/11:107 They will abide therein as long as the heavens and the earth endure, except if your Lord wills. Your Lord is the Doer of whatever He wills