Except it does work. There's really nothing Minako can do to stop it; it's up to the luck of the dice, and this time she wasn't lucky. She orders Orpheus to move as soon as the sigil begins to form in the air in front of Orpheus. He's at the very edge when it flashes with dark energy.

She crumples to the ground, a puppet with cut strings, as Orpheus vanishes and the roar of the crowd winks out.