Yes, there might be such fanfictions out there. Fanfiction writers often create crossovers where they put characters from different universes like Naruto and High School DxD together and come up with various scenarios, including ones where Naruto could potentially 'kill' a character from the DxD universe. However, the quality and nature of these fanfictions can vary greatly.
In some Naruto fanfictions, the concept of Naruto killing a God of Destruction might seem far - fetched. However, it could be possible in a fan - created alternate universe. Writers might give Naruto new powers or abilities that allow him to take on such a powerful being. Maybe he acquires some sort of ultimate jutsu or taps into a hidden power source within himself.
Yes, there are likely some fanfictions with such a concept. The 'Harry Potter' fandom is vast and creative, and some fans like to explore extreme or alternate storylines. However, not all of these fanfictions may be high - quality or follow the original spirit of the series closely.
Gorr had a tough life. He was from a desolate planet. His people suffered greatly. He lost his family due to hardships and lack of resources. This led him to turn against the gods he once worshipped as he blamed them for his misfortunes.