They need to persuade Morina, the self-proclaimed vampire queen, to join their fight against the army of twisted light. Morina can't know of Sylvia's power of light and darkness, lest they lose her support. Keeping their secret is of the utmost importance in her court.
The mystical voices are screaming silently and only Sylvia can hear their cries. They warn of an impending doom. They're running out of time as the army of light continues to encroach.