How do I get Mag cells?

[Shike-the-Force]

[COLOR="Yellow"]my naraka is level 94 and I want him to become a Pian

Everything is perfect expect i dont have the Heart of Pian

and my brothers mag is level 98 and he wants a Chao

Again, everthing is perfect expect he doesn't have the heart of chao:O [/COLOR]

[Poo Fly]

Mag cells are online only...
they are randomly given out of jack'o'lanterns and Christmas presents, dropped from Hallo Rappies and Saint rappies respectively, and on Halloween and christmas, assuming servers are still updated to put the right rappies in :3

[Shike-the-Force]

there's no way in offline?

[nomercy]

Unless there's some way to hack it, or you can get someone you know IRL to get one online for you and trade it in offline multi-mode, then no.