Quote Originally Posted by Bubba View Post
You're right though, megalixirs are far to precious to actually use at any point in the game. You just wonder to yourself whilst watching the closing credits... "I probably could have used one of those 20 megalixirs"
Only during the final final fight with Sephiroth might you use those. Of course, then you just Mime, W-summon, Knights of the round table and you won't need it.