When Jonouchi learned that he played Duel Monsters , he offered to let him join their group playing it at school
But unlike the real TCG, Fusion Monsters can be played independently, or can be overlayed with an existing monster to produce a new Monster hidden within that Card
Of course, even if they banish "Rollback" before that, it's quite difficult
I most often use Hieretic Sun Dragon to clear the entire field, but some combination of Tornado Dragon and Gauntlet Launcher works too
He attempts this on Sartorius, who blocks the attack and then uses his own cards to turn Ojin's monster on its controller, defeating him without taking a turn
This powerful boss monster was able to deal burn damage to the opponent to win in time, but it was also able to negate and destroy cards, making it a phenomenal piece of many combo decks throughout the game's history