Check out the Sequel "When Gods Fall" WIP

"While Gods may be powerful, with weapons of their own designs, they are only meek and powerless without them. The most powerful weapon crafted by them was the Blade of Olympus, but it was lost during the destruction of Mount Olympus. Now, I, Princess Celestia, request that my faithful student and her closest friends find these godly weapons and bring them here so they may be locked away, never to see the light of day... or until they are needed again..."

Loose God of War 3 and My Little Pony: Friendship is Magic crossover. Loose because while the weapons are mainly focused on, the Gods themselves will be referenced but not actual main characters. A "Zeus" and a "Kratos" will pop up every now and again, but other than that they will not be mentioned.

My Little Pony (C) of Hasbro
Friendship is Magic (C) of Lauren Faust
God of War 3 (C) of Playstation and Sony