Xion looked up at him, feeling her breathing hitch a little when he said that. Honestly, that wasn't something she'd ever expected. Doing what she had to do... that's all it ever once. Not even really a choice, even though Riku had been nice enough to present it that way. It was the inevitable, something that would have happened no matter what.

To be thanked for it was different. Strange, even. But not unwelcome.

She smiled slightly at him, her (maybe false but no less present) heart lifting in her chest. Those words made the decision so much easier, for some reason. Even if they would be forgotten.

Realizing that she didn't know how to respond to it, she turned to glance over at Sora. "Do you know why he's alright?" she asked, looking back at Riku, "Even with me and Roxas here?" She hadn't been able to figure that out yet, though she was grateful.