She uses " Polymerization" to fuse " Etoile Cyber" with " Blade Skater" to Fusion Summon " Cyber Blader". Assuming he's a Shadow Rider, she challenges him to a Duel. He stops running, and eventually she catches up. The mark of Amnael appears, and she follows it outside, and begins to chase the same man that watched the others from the treetops. Alexis returns to the Obelisk Blue to find her brother's room ransacked. A masked, cloaked figure watches them from a tree branch. They begin to walk to said location, and they plan to lure Pharaoh to them. They continue to search for clues, and they eventually find a map with the Mark of Amnael on it, and they determine that it's location must be where Banner is. Dorothy and that she must have defeated Banner. Chazz determines that the seventh Shadow Rider was Ms. They check Banner's room at the Slifer Red dorm and find a note. Chazz responds that it was a figure of speech. He states that they must journey to the "scene of the crime", with Syrus commenting that that's the problem - they don't where that is. Chazz arrives and again has delusions of being a great detective, and leads them off to search. Jaden meets with Syrus and Chumley and wants to keep searching for Banner, but does not know where to begin. Chazz determines that he must have lost to a Shadow Rider, but Sheppard responds that another Spirit Gate has not opened, which means Banner's Spirit Key is still safe, so he should be as well. Sheppard informs him that they can find no trace of Banner, and there is no indication he has left the island either. He informs Jaden, Chazz, Alexis Rhodes and Bastion Misawa to report to Chancellor Sheppard's office after the class is over, and he and Zane Truesdale join them there. Crowler begins the lecture on "the mark of Amnael", but cannot understand alchemy and ultimately blows a lab experiment up in his own face.
Crowler enters the room, and reveals he'll be substituting for Banner today. They later sit in Banner's alchemy class, and Chumley comments that most of the staff is using their spare time to search for Banner. They call for Professor Banner, but he's disappeared. They find that most of their food is gone, and Chazz Princeton confirms that he ate it himself.
Jaden Yuki, Syrus Truesdale and Chumley Huffington have overslept, and rush to the meal hall to eat.