The Overthrow of Merkylnn Visionaries: Knights of the Magical Light : Season 1 Episode 7

Darkstorm formulates a plan to get rid of Merklynn and steal his magic. It all turns out as planned and Darkstorm becomes an all-powerful sorcerer. However, he accidentally unleashes the Apocalypse, so they must go back to Merklynn as their last hope of saving the world.