You already are. I saw your power activate. [Right now, it feels important to break it down, bit by bit, so that she can see it. Riku isn't going to ignore the little things.] Given where we are, you could easily have used it already to hurt me. Right? [He meets her eyes, and he doesn't wait for confirmation. Instead, he looks over toward the rocks that fell. One given weight could easily crack open his head and kill him. He doesn't have the spells he had back before he showed up here. He doesn't have any of it.]

What are you afraid of doing? Darkness infects your thoughts, infects your feelings, making you feel—a certain way. But you still have a choice in it all. You just need to learn how to find that choice in your thinking, and isolating yourself isn't gonna help. Sometimes, the voice needs to be just outside, waiting to lead the way.

[That's what Sora had been for him the entire time. The light guiding him, the reason he got obsessed and the reason he pulled himself together. The one he gained power to protect. Once he pulled away the curtains and understood it, it made him feel better.]

Kylo Ren says that he uses it as a tool. That it's just a weapon in his arsenal. He's lying about that, too. It's a power you can harness and understand—but I don't even think any of us can do that here, anyway. Not with how it's been repressed in our hearts. So we'll see about helping you approach it in your mind, and in your heart, and deal with the rest of it later.