Homura-chan, what Kyubey said, is it true?

Homura-chan, what Kyubey said, is it true?

Yes it's true, but if Madoka were to defeat Walpurgis Night, she'll become the most evil witch, the witch that will destroy this world.

Yes it's true, but if Madoka were to defeat Walpurgis Night, she'll become the most evil witch, the witch that will destroy this world.

This can't be...!

This can't be...!

Hey Kyubey, why do your species obtain energy from the conversion of "hope to despair" in humans?

Can't it be the other way round? In other words,

...converting despair into hope?

It's impossible. Didn't you girls already have your wishes granted when you became magical girls? Did you not have your despair become hope?