You should use the hit and magic attack method. For example, first lock on the target. Continue using your magic until one last MP remains then join in the pounding of the Boss. Cast magic when you regain one block of MP. Next, pound the Boss. Don’t forget that you must take care of your HP during the pounding.
– Picking a weapon
At the start of the game how sora is having his dream, when you are starting to choose a weapon you can have a choice out of the sword the staff and the shield they all have their own ability. Like the sword has good strength to give you, or the staff has good magic, and the shield has good defence and hp to give you.
– Picking a weapon
In the beginning of the game when choosing weapons choose the shield and sword give up the staff cause you need to defense and attack power.
– Temporary invincibility
If an enemy or Boss has a very powerful attack, use Strike Raid or Sonic Blade. When in use, you become invincible. If the enemy is unleashing his all-powerful attack, use the Strike Raid or Sonic Blade combo to not be affected at all. The best part is you will deal good damage to the enemy.
– Raising levels
To raise levels in the beginning pick the bottom choices every time. Also when on Destiny Islands (heartless attack) destroy heartless on every part of the island. Even up high. Also don’t back out of big fights because when you have to defeat bosses you need higher levels.
– Secret keychain
If you beat the hundred acre woods get all spells everything and then beat Ansem 3 times you will get a secret keychain that makes the keyblade a heartlessblade its as powerful as the ultima weapeon but you need that weapon to get the heartless blade.
– Deep Jungle – Jane’s underwear
Go to the camp in Deep Jungle, and enter the tent. Stand to the left of Jane, and look carefully to see her underwear.
Get 200 Mushrooms in the first town. You can sell them at Trevers Town to get for ever life.
– Getting the ultima weapon
The Ultima Weapon is the best Key in the game. Synthesize all the items. After you complete the 25th item, the Ultima Weapon will appear. This is Sora’s best weapon. It requires five Lucid Gems, five Power Gems, five Thunder Gems, three Mystery Goos, and three Gales. It is very powerful and adds 2 MP.
– Wizard’s relic
After you seal the Key Hole in Hollow Bastion, return and kill as many Wizards as you can find. If you kill enough of them, one will eventually drop the Wizard’s Relic, which is Donald’s second best magic rod.