Well, max hp is 300, and healing riku is always good, but...*changes*
anyways heal Roxas, hurt Xehanort. And yes we must keep adorable demyx alive!

Axel 300
Cloud 300
Demyx 240
DiZ 240
Hayner 300
Kairi 300
Mickey 300
Naminé 240
Olette 300
Riku 300
Roxas 240
Saïx 300
Sephiroth 300
Sora 300
Tifa 300
Xehanort 90
Xemnas 90
Xigbar 300