Shadow Weaver is attacking Castle Brightmoon. Queen Angella will loose the castle's powers in a few days, when an eclipse occurs. Shadow Weaver knows this so, she is attacking Castle Brightmoon to try and weaken Queen Angella. Queen Angella tells Adora that the only way Brightmoon can be saved is if they find the Crystal Castle. Only, one person has seen the castle. The person who has seen the castle is the King of the trolls, and trolls hate humans.