Family-Unfriendly Death/Fan Works

Downfall Rukia's epic showdown with Aaroniero. In the course of the battle Rukia is burnt, impaled on a sword, and nearly disembowled. Aaroniero himself is stabbed through one of his heads, given just enough time for his other head to ask 'What?- Wh' before Rukia ripps her sword out through it too. Then Rukia herself succums to her injury.
- Of course, this happens in the original as well
Doctor Who: Plastic Murder^{[dead link]} features a variant Auton known as a Seducer. Its preferred method of killing? Drowning its victims in molten plastic as it kisses them. Its predecessor, Plastic Nightmare, STARTS OFF with a girl falling into a vat of plasmatically charged plastic and being ripped apart, molecule by molecule. She's eventually reborn as a living, non-Auton mannequin.
In Naruto Veangance Revelaitons, Taliana is killed off by being beaten up, set on fire and torn limb from limb. According to the author, it was caused by the girlfriend she was based off of breaking up with him.
Greyback gets fried by the Burning Talon's laser.