I'm just a little confused...If the sun and moon curse doesn't exist then why are 吸血鬼 weakened 由 the sun and 狼人 bound 由 the moon...is it because of the curse on Klaus? Please Enlighten Me...Thanks :)

Remember when Elijah was telling Elena that every creature has a weakness. And that is because it brings balance? Well, 吸血鬼 are weakened 由 the sun and 狼人 are bound 由 the moon because that is their weakness. No curse involved.

So, the sun and the moon curse doesn't exist, yes. That was made up 由 Klaus and Elijah eons ago. The real curse is the curse on Klaus. That is because he is a hybrid. The werewolf part of him remains dormant because of spells that were cast upon him. No one believed someone should possess that much power.

Hopefully I explained clearly? :)

Its the witch's way of keeping balance