Eleka's Castle is filled with evil and you need protecting from it. Maradans can easily get hold of evil Voodoo Dolls inside the castle now which can be used to put a curse on one of your pets. If your pet gets cursed, it will be unhappy and sick, and you will need to cure it. Don't want to get cursed? Hire the Witch Doctor! Just give him 25RP and he will protect your pet for a whole week!