(It's not polymerization any more--It's DARK FUSION now!!)
Jaden is the Supreme King?! Is he good or evil now? Will his friends be able to save Jaden from the darkness inside him? Who can beat Jaden in dueling anyways? There are so many questions to answer. The Season “In the Shadows” begins with a new breed of monster fusions unlike anything else before it. The Supreme King’s deck of Evil Heroes reigns over the dimension world of fiends and is spreading doom to all the duelist challengers. Here are but a few of the new monsters that are shown in the episodes so far: