Defeating sephroith
The way to defeat sephroith is that be around lv 70 I recommened ( I killed him at lv 64 in expert pretty easy) you should bring about 3 megalixers if fighting him for first time keep attacking with a powerful keyblade ( I prefer lionheart unless you get ultima).
Then once sephroith starts losing health after 1 bar is gone or 2 he will start running fast and using some spell to decrease your mp to 0 and hp to 1 (unless you didnt attacth some ability 2 keep 1 hp after a massive hit).
Then after you see him performing spell try to glide or super after him to stop him from using spell ( if he uses it then use a megalixer) keep attacking until he brings some glowing spell arond him which makes him extreme powerful.
Be carful from his mega spell you can't att him but you can dodge the attacks by rollong around him and his egg shape things.
After eggs blow up try to move behind him to dodge his attack ( some kind of mega ball) then keep attacking till he dies...
Ps I recommened you using areoga and curga on you're shortcut magic list areoga or the wind spell is a defense spell that lower opponents attacks..
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