Ah! I might be able to post first!

(SPOILER)

21) Right, there's BIRTH, LIFE, DEATH, and SYNTHESIS. Unless I'm missing anything, that makes four no?

22) I think she kept it in her hair or something, tied up in a ribbon.

23) I actually visited Rocket Town earlier today as I was playing VII (helps that I'm playing it now eh?) and I saw the bracelet there, so I'll say Rocket Town.

24) The Gold Chocobo

25) Erm... she actually had a name? Pfft. Didn't know that.