What looked like a stake made of light shot forcefully out.

“I will turn you into a fairy.”

[...]

“I built a spell out of a historical fact the great Christian powers carried out without realizing it. Simply put, they shrank down the pagan gods. The king of the forest transformed into a dwarf. The queen of the sea was remade into a female monster that sank ships. The god that is hit by this spell will be dragged down from the territory of a magic god and forcibly returned to the territory of a human!!”

[...]

A moment later, another fairy stake accurately pierced straight through her heart.

[...]

Finally, she saw the second attacker.

“Fiamma…of the Right…!?”

Toaru Majutsu no Index New Testament vol.8