While I sympathize, I didn't like her death. It seemed kind of trite. Difficult to say regarding the Hellstorm series, despite me starting it, I just couldn't stay interested so I never saw what you're talking about. I do remember that she was supposed to basically have a human soul and a demonic spirit called the Basilisk, so one could see that her demonness not only dragged her to hell, it made it so she was never completely dead (as most wizards can never be trusted to be completely dead).
Or you can wank that, as it was warned that she might be replaced by the Basilisk portion of her soul one day, when she died, her soul split, the human side going to heaven, the demonic side going to hell until it was ready to go full demony. I do know that the one-shot of Satana recently showed her as evil as she ever was, keeping old conquests as soul sculpture, just..abstaining from currently sucking men's souls.