8. When Zoycite asks Tuxedo Mask to fight for the Rainbow Crystals at the starlight tower, Serena accidentally gets brought there with Darien. They both learn each others true identities. Zoycite is given orders not to kill Tuxedo Mask, but she disobeys Queen Beryl and stabs Tuxedo Mask in the back. The Rainbow Crystals merge into the Imperium Silver Crystal. The Moon Princess' identity is revealed. Who is she?

a. Amy
b. Luna
c. Serena