Lilian the Princess of the Lochs by @God_of_the_Lochness (Tyler Baxter)

This is a princess who wields a mighty of the gods. That weapon grants her great powers, life and speed. But humans, evens those who are part god, fall into its powers. They become power hungry, and nothing can stop them, but another god. She ends putting the weapon behind a wall of magics, and brick so that no others could use this weapon for evil. The only thing that gave her the will to put down the weapon was that she became impregnated, and feared what would happen to her child.