[The expression on Sora's face is almost wistful in thought as he thinks back on the events Roxas is describing. The toy sword, the fight with Riku that followed it... it's not a dream, it's a memory.

Especially that last part. Sora doesn't even realise his loose fist has wound up resting against his chest.]

Yeah, all of that happened. It was in Hollow Bastion, when I needed to save Kairi. You know her heart was inside me, right?