"—Projection, begin."
The nerves in her right hand began to tremble, and then a pitch-black greatsword appeared in Airi's hand. She gripped it tightly, swung it from side to side, then slashed forward.
"Whoosh—!!"
A blade of wind tore through the earth in an instant and sped into the distance. Airi then let out a breath and lowered her hands. Soon, the greatsword vanished again.
"Sure enough, mages still need to put points into strength..."
Looking at the ground before her, Airi nodded in satisfaction.
There was only one thing Airi was doing now: increasing her combat power.
After the string of recent incidents, Airi had realized that the power she currently possessed was becoming increasingly unable to deal with the threats ahead. Previously, Airi had mainly used spells from Harry Potter, which had been more than adequate against ordinary combatants in this world. However, they had proven insufficient in her recent battles.
Artificial lifeforms housing familiars capable of draining magical power, God-made Weapons that could instantly evolve to defend against every attack, and now even Angels had appeared...
What would come next? Aliens?
Harry Potter's spells could no longer keep up with the pace, and Camael was only useful in certain situations. She had to choose new magic that was more powerful and versatile for combat.
Fortunately, Kensei Youze's words on the deserted island had piqued Airi's interest. Though she had decisively killed him, Airi had still taken over the materials he left behind and studied them carefully. Afterward, she discovered some interesting details within them.
Put simply, the ritual Kensei Youze used to turn Shion into an Angel was essentially very similar to the Holy Grail War. Seven people slaughtered one another, the souls of the dead—spiritual energy—were used to fill it, and in the end, immense power