Sabrina and Maritza ( who believes it to be a dream ) go to the Netherworld to help restore it and destroy Hay and Olivia .
This in turn leads all the magic in the Netherworld to disappear : Olivia 's plan to take over the Netherworld .
Sabrina and Maritza ( who believes Netherworld to be a Netherworld ) go to the Netherworld to help restore Netherworld and destroy Hay and Olivia .
This in turn leads all the magic in the Netherworld to disappear : Olivia 's plan to take over the Netherworld .