Each boss has different abilities and weaknesses. The best thing to do is to go into the battle, try fighting them, and if you lose, then you know what not to do the second time.
Get Kingdom Hearts 2. That's what I did. Or you can try and beat sephiroth and all those extra things.
you beat all of the earlier ones.
Yes, after you beat the Neverland world, you can get it that way for Kingdom Hearts I. In Kingdom Hearts II you would have level up Final Form at level 4.
Beat all of the other cups
Kill all the boses
Well, lets see. BEAT THE GAME WITH EVERYTHING FINISHED!
You find all your answers for Kingdom Hearts on "wiki Kingdom Hearts"
Beat the entire game, then I believe you can be the final fantasy characters in a tournament
Beat the game and complete Jiminy's journal all on Proud mode
beat all the other cups and the first fight with xemnas.
Kingdom Hearts Magic ListThe following is a list of all magic found in the Kingdom Hearts series. FireFiraFiragaBlizzardBlizzaraBlizzagaThunderThunderaThundagaCureCuraCuragaStopStopraStopgaGravityGraveraGravigaAeroAeroraAeroga
First of all, it's Kingdom Hearts, not kingdom hearts. Second of all, with a Keyblade and a strong heart with light.