I'm indifferent to this subject; When someone tells you you're about to die, your mind starts racing. "I've so much yet to do in my life!" "Why me?" "What's going to happen after death?" That side would be the fear of death. The reason it might not be so bad is that after you die, you won't care anymore. You can't grieve over yourself, and there's no proof of religion, only proof against it, so you don't need to fear what God will think of you. But the real part is the people who will miss you, and the people who believe that there is no God. The latter believes that consciousness is generated by a series of electrical impulses and synapses. Memory access is also this, so you're literally taking memories of smelling Grandma's cookies right to the grave with you. No one can revive you and access your wisdom, or know what you were like as a person. The former believes that when you die, you're judged by Jesus/God based on your life decisions.

If you fear death because of this, I can debunk it for you. You can't suffer in hell, assuming there is one.
Pain is generated by strong nerve impulses from your nerve endings. These are handed off to synapses, and travel up your spinal cord to reach your brain stem to process pain. Note that these are all in your physical body, so you can't and won't care about those hellfires.

Can your soul feel pain?

No. You can't even feel desolate, since as mentioned before consciousness and emotions are electrical impulses.