What is the easiest way to beat sephiroth in kingdom hearts 1

Before you start, have item that fully restore both health and magic and the ultima keyblade. Unlike most things you read like you have to be level 99. That is a lie. I did it at level 93. Prepare for the battle of your life. Use aroe first thing you inter. Next thing go all out angainst him with stoping. When his health is drained by one bar he will start using his death spell. don't stop attacking until your health is low or you see a red halo above your. Quick open your items pocket and prepare to die. but if you have a certain ability you will live so if you do as soon as you hear oof use your healing item but don't try to use your cure cause it wont work.