Strength of heart is paramount in the worlds I'm familiar with. Without that, there's no combating the darkness. Memories are there, and it has some bearing on capabilities. There's a particular weapon that only responds to that kind of strength, and it's very powerful.

[He folds his arms as he walks, wondering if that was an apt enough description. Hearts were everything, they were what made a person tick in more ways than one.

People here seemed to have a very different reality]

I may not understand it as well as some others from home, but I know Riku's feelings as though they had been mine. It gives me some grasp of it.