You purse your lips. Your first thought was to wait until a more… necessary moment, but then a stray thought took hold: to just do it, consequences and hesitation be damned. To grasp for the power to… do something. Save the world, probably.
"You know what? Sure, I'll do it." You take a moment to put your thoughts in order, and speak, already feeling power stirring within you. "I wish to be able to integrate all these methods of magic perfectly: Midchildan spellcasting, the Symphogear system, and being a Magical Girl. I want to make it all work together."
The power, the potential you felt earlier begins truly welling up, and when it reaches its peak, Kyubey reaches his ear things towards your chest, and-
Pain. The red-orange Linker Core that's been inside you your entire life floats out of your chest, even as you feel it rapidly disconnecting from and reconnecting with nearly all parts of your body, rearranging how your magic works. Needless to say, it's not the most pleasant experience, and you feel your balance slipping, your body beginning to fall backwards.
But then the pain stops, and you see a shining orb in front of your eyes.
"Go," Kyubey speaks dramatically, "embrace your destiny."
While you would ordinarily be confused at what he meant, in this situation, the words aren't corny or cheesy at all, and you reach out for your Linker Core, your Soul Gem, and grasp it in your hands.
It's hot to the touch.
You're still falling, though, but a quick, instinctual expression of magic stops the fall just before you hit the ground, gently laying you down instead of making you crack your head open (again) or something.
In an instant, Sayaka is kneeling by your side, looking down on you with a concerned expression. "Are you okay? That looked… painful."
You blink a couple times, trying to reassert your bearings, before sitting up, Sayaka putting a hand on your back, probably ready to steady you if you fall.
You raise a hand in front of your face, experimentally opening and closing your fingers, trying to get a feel for whatever exactly the changes were. It feels… strange, like you just woke up from a deep sleep, feeling far more energized than you have any right to be. You begin to move mana and run through the equations to produce a basic Blaze Shooter, but the moment the thought, the intent enters your mind, a fireball appears in your hand, far more quickly and naturally than it would have if you cast the spell the normal way.
You cancel the spell, closing your fist in the process, idly noting a triskelion insignia on your middle fingernail. "I… I'm okay. I think I feel better, even, although it'll probably take a little getting used to."
"That's a very common reaction." Kyubey notes. "This should aid you in future fights against Finé, whatever form they may take. She has allies, she has Durandal, but at the same time, the Bureau's presence will make attempting what she did again difficult. However, as their presence is far more likely than not to increase, Finé's window of relatively easy opportunity is closing. I predict we'll see more from her soon: perhaps a year or two at most. You'd best be on guard."
Both of you nod seriously. "But we defeated her once already." You assert resolutely. "And we're stronger than before. She's going to have a tough time, to say the least."
"Ideally." Kyubey agrees. "Yet she's not shown her full hand, I expect. Far from it."
With those ominous words, Kyubey walks off towards the sunset, leaving you and Sayaka to mull over the implications yourselves.
Season 1, Finé.