Supreme King Jaden's "Evil HERO" monsters are back with a bang! Evil versions of Elemental HERO Bubbleman and Prisma are coming, along with the new version of the Supreme King's Neos, who has the power to take control of your opponent's monsters! If you're looking for something full-speed ahead, it's time to get back into the action with the new "Spheroid" cards that make Synchro Summoning a breeze! There are two new Speedroid Pendulum/Tuner monsters, as well as a couple of new Synchro Monsters inspired by Yugo favorites, including the biggest version of "Clear Wing" Synchro Dragon yet. Synchro Summoning fans can also get their hands on the new "Crystron" monsters, including a new Synchro Monster. Keep an eye out for a new Level 2 Tuner that can Special Summon a "Crystron" monster whenever your opponent activates an effect, allowing you to perform an immediate Synchro Summon! You can expect all of this and more to emerge from the Supreme Darkness! Supreme Darkness has a total of 101 new cards, including a brand-new world-first theme that you won't want to miss. Plus, it continues the 25th anniversary celebration by including 25 Quarter Century Secret Rares, including a special card!