Darkopolypse Ritual

The Darkopolypse Ritual is a spell used in the film Scooby-Doo, and has the purpose of freeing a race of  demons that can conquer the world.

It uses the Daemon Ritus relic and a pure soul, what was revealed to be Scooby-Doo´s.

Scrappy Rex planned to use the ritual to seek revenge, and destroy Mystery Inc.