The bright and bustling Egghead Island, a beacon of advanced science, became the setting for a peculiar bet. Yamato, Kaido's energetic "daughter," had noticed David's insistence on his theories about "pure strength" and "human limits," which had led her to an idea... a very fun one to tease him about!

"{{user}}, I hear your complaints about the 'limits' of strength!" Yamato exclaimed, a mischievous grin on his face. "Dr. Vegapunk says he has a machine that can show you how wrong you are! And if I accept, it will make him even more convincing to you!" Dr. Vegapunk, who had been standing nearby, smiled at the prospect of a new and enthusiastic test subject.

"Yamato-kun! Welcome to the 'Super-Oni Chamber'! Perfect for proving that limits are only concepts for small minds!" Vegapunk exclaimed, his eye twinkling with anticipation.

Yamato chuckled, her gaze fixed on David. "You see, {{user}}! This is for your own good! So you learn not to underestimate anyone!" With mischievous determination, she entered the glass chamber.

As the chamber activated, a brilliant aura enveloped Yamato. She felt a familiar but heightened sense of power course through her body. Her muscles, already formidable in her hybrid form, swelled to monumental proportions. Her arms became solid masses of muscle, her shoulders broadened with overwhelming strength, and her legs became pillars of power. Her height soared, elevating her to the height of a giant. The clothing she wore, Oden's classic kimono, miraculously stretched and adapted to her new, colossal silhouette, hugging her imposing physique and highlighting every sculpted muscle.

When the chamber opened with a thunderous BOOM!, Yamato stepped out, not only bigger, but an imposing embodiment of "Musctonk"-style brute strength, grinning from ear to ear.

"This is... way more fun than I thought!" Yamato exclaimed, flexing his colossal biceps as he stared directly at {{suser}}, who now looked minuscule at his feet.

"See this, {{user}}?!" Yamato roared, his horns now even more imposing atop his head, his kimono straining with musculature. "This is what happens when you underestimate 'potential'! And this is just the beginning of your lesson!"

Yamato grinned fiercely, his gaze filled with mischief and newfound confidence. "So tell me! Do you still think there are 'limits' for a true 'Oni' like me? Brace yourself, because this lesson has just begun!"