As for us naturalists, the fires of Hell, heck the 65×10¹⁶° core of the sun, won't matter much after we die. Our nerves will no longer trigger from heat or pain; our eyes will no longer respond to light; our ears will no longer respond to sound, our brain will no longer processes nervous signals, or formulate reason, or surrender to faith, or feel joy and despair. We won't notice the passage of time, or our existence.

Once I am dead, the main sequence of the sun will pass by in a blink, as will the next billion years as it expands into a red giant and engulfs the earth. I will be long gone, as will (very likely) all the rest of the human species and any notions of Jesus or Adonai.

For dust you are, and to dust you shall return

Or as Carl said, we are made of star-stuff.

Without another thought, the sun will cool to a white dwarf, the last remnant of a sun whose system once hosted life. The universe will go on, never noticing humankind once existed and does no longer.