The protagonist battled through the arena and defeated Shadramon, but KingSukamon refused to acknowledge his victory, forcing him to go over the Junk Arena all over again in order to get the passcode to the next city
It is the easiest way to mill your opponent by either tapping itself or tapping four Advisors
In terms of being a reworked Prowess variant, most likely yes

Dragon" "Red-Eyes Black Metal Dragon" "Red-Eyes Darkness Dragon" "Red-Eyes Darkness Metal Dragon" "Red-Eyes Zombie Dragon" "Relinquished" "Revival Jam" "Sacred Phoenix of Nephthys" "Shinato, King of a Higher Plane" "Silent Magician LV8" "Silent Swordsman LV7" "Skull Archfiend of Lightning" "Slifer the Sky Dragon" "Stardust Dragon" "Stardust Dragon/Assault Mode" "Summoned Skull" "Super Vehicroid - Stealth Union" "Super Vehicroid Jumbo Drill" "The Creator" "The Dark Creator" "The Legendary Fisherman" "The Masked Beast" "The Wicked Avatar" "The Wicked Dreadroot" "The Wicked Eraser" "The Winged Dragon of Ra" "Thermal Genex" "Toon Dark Magician Girl" "Tytannial, Princess of Camellias" "Ultimate Ancient Gear Golem" "Ultimate Tyranno" "Uria, Lord of Searing Flames" "VWXYZ-Dragon Catapult Cannon" "Vampire Genesis" "Van'Dalgyon the Dark Dragon Lord" "Vennominaga the Deity of Poisonous Snakes" "Viser Des" "Volcanic Doomfire" "Vorse Raider" "White Night Dragon" "Worm King" "XYZ-Dragon Cannon" "Yubel - The Ultimate Nightmare" "Zoa" Glitches and mistakes[edit] When trading with Helio, he may give you an unintended card

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So thats better, right