[Rei nods, and presses fingers against her heart. The crystal there begins to glow, burning bright with an orange light.]

Yes. It's why I can control fire. I can do a lot of things, with ghosts and spirits...and my body isn't like someone my age's. I'm stronger, faster, and I can fly if I need to.

And I'm immortal. So long as my heart isn't thrown into a specific place, a...location where stars are born, I'll revive.