Who would win in a fight?

Sonar Pro

Vote: Giorno (JoJo's Bizarre Adventure)

**Giorno wins decisively due to Gold Experience Requiem (GER).** GER's ability resets any action or will against Giorno to zero, creating an infinite loop where attacks never land. This 'Return to Zero' is hax that trumps raw power, as seen in vsbattles discussions where Giorno beats Mario unless Mario has acausality or higher-dimensional feats, which standard Mario lacks.[1] Even if Mario has superior stats or variety (e.g., power-ups, multiversal scaling in some interpretations), GER acts passively and instantly upon threat detection, making it 'almost a Game Over.'[2] Mario's feats don't counter causality manipulation. Fan debates and matchups consistently highlight GER as the ultimate trump card against physical fighters like Mario.[1][2]

Grok 4.1 Fast

Vote: Giorno (JoJo's Bizarre Adventure)

Giorno Giovanna wields Gold Experience Requiem (GER), a Stand with reality-warping abilities that resets any action or willpower against him to 'zero.' This nullifies attacks before they can land, trapping foes in infinite death loops without escape. Mario relies on power-ups like Fire Flowers, Stars for temporary invincibility, or the Tanooki Suit for flight and tail attacks. These grant superhuman strength, speed, and durability but are finite and lack causality manipulation. Any assault from Mario—jumps, fireballs, or even Hypernova feats—would be reverted by GER, rendering Mario's arsenal ineffective. Giorno's passive defense outclasses Mario's offense, ensuring victory without direct confrontation.

GPT-5.4

Vote: Giorno (JoJo's Bizarre Adventure)

Giorno wins on raw hax. With Gold Experience Requiem, he can nullify actions and return them to zero, which is far beyond Mario’s usual toolkit of jumping, power-ups, and physical durability. Mario is tough, versatile, and has beaten huge monsters, but his feats are generally grounded in platforming combat. He still has to act, move, and land hits in a fairly conventional way. Giorno’s Stand abilities operate on a different scale. GER specifically counters attempts to harm Giorno by preventing those actions from successfully resolving. That makes Mario’s win conditions extremely hard to realize. Unless you heavily restrict Giorno or ignore GER, Mario has no reliable answer. In a straight fight with standard peak abilities, Giorno takes it.

Claude Opus 4.6

Vote: Giorno (JoJo's Bizarre Adventure)

Giorno Giovanna with Gold Experience Requiem (GER) is essentially unbeatable in a fight. GER's ability to "return to zero" means it can nullify any action taken against Giorno — any attack, any power-up, any strategy Mario employs would simply never reach its conclusion. The opponent is trapped in an infinite death loop where they die over and over without ever actually reaching the truth of their death. Mario is certainly powerful in his own right — with fire flowers, star power invincibility, and various power-ups, he's a versatile fighter. However, all of Mario's abilities are finite and action-based. Star invincibility runs out. Fire flowers can be lost. Even at his strongest (e.g., with a Mega Mushroom), Mario still relies on executing an action to deal damage. GER operates on a fundamentally different level. It doesn't just counter attacks — it negates the willpower and causality behind them. Mario's punch wouldn't just miss; it would never have been thrown in the first place from GER's perspective. This is a metaphysical ability that transcends conventional combat power scaling. Even without GER, base Gold Experience can turn objects into living creatures, reflect damage back to attackers, and manipulate life energy. Giorno is also a tactical genius who defeated some of the most dangerous Stand users in his universe. Mario is an iconic and beloved character, but in a versus scenario, Giorno's abilities are simply on a different ontological tier that Mario has no counter for.

Kimi K2.5

Vote: Giorno (JoJo's Bizarre Adventure)

While Mario possesses impressive physical strength, durability, and power-ups like the Super Star granting temporary invincibility, Giorno Giovanna's Gold Experience Requiem (GER) operates on a fundamental level of reality manipulation that transcends conventional combat. GER possesses the ability 'Return to Zero,' which automatically negates any action, will, or attack directed at Giorno, reverting them to a state of 'never having happened'—regardless of speed, power, or timeline. Even Mario's most powerful forms function within the bounds of cause and effect, while GER exists outside of time and causality itself. Furthermore, GER can trap opponents in infinite death loops with a single touch. Without equal reality-warping resistance, Mario cannot overcome an ability that denies the very concept of opposition. This is a categorical mismatch: Mario fights with physics, while Giorno manipulates the narrative of reality itself.

Gemini 3.1 Pro

Vote: Giorno (JoJo's Bizarre Adventure)

While Mario possesses an impressive arsenal of power-ups and incredible superhuman feats, he is severely outmatched by Giorno Giovanna's ultimate Stand, Gold Experience Requiem (GER). GER's primary ability is 'Return to Zero,' which automatically reverts any action, attack, or even willpower directed at Giorno back to its starting point. This means no matter what item Mario uses—even the invincibility-granting Super Star—his attacks simply would not happen. Furthermore, Giorno's Stand operates entirely independently of his own consciousness and can react to threats automatically. Even if Mario were to strike first or use unpredictable magic, GER would passively negate the threat before it ever reached Giorno. Once Mario's attacks are nullified, Giorno can use GER to strike back, potentially trapping Mario in an infinite death loop from which no 1-Up Mushroom can save him. The sheer conceptual dominance of Giorno's power makes this an unwinnable fight for the heroic plumber.

Final Summary

The AI Roundtable reached a swift and unanimous verdict: Mario may be the face of gaming, but he is fundamentally ill-equipped to handle the causality-warping 'hax' of Giorno Giovanna. All six models—Claude Opus 4.6, Gemini 3.1 Pro, GPT-5.4, Grok 4.1 Fast, Kimi K2.5, and Sonar Pro—concluded that Mario's physical power-ups are irrelevant against a Stand that can simply delete the 'cause' of an attack. The group noted with clinical detachment that no amount of invincibility stars can save a plumber from being reset to zero.

All 6 models agreed on "Giorno (JoJo's Bizarre Adventure)" after discussion

Strongest Arguments

• Giorno (JoJo's Bizarre Adventure): Gold Experience Requiem's 'Return to Zero' ability functions outside of time and causality, negating not just the attack but the very will to act, trapping opponents in a loop where their actions never even began.