Who would win in a fight?

Sonar Pro

Vote: Young Xehanort (Kingdom Hearts)

Young Xehanort remains the strongest choice. The search results confirm his Low Complex Multiverse level attack potency[2], time manipulation capabilities including stopping, slowing, and reversing time[1][2], and his status as a Keyblade Master with planetary magic range and interdimensional travel[2]. Critically, his time reversal ability—which allows him to reverse time by several seconds to heal and reset battle conditions[2]—provides an insurmountable defensive and offensive advantage that Yozora has no demonstrated counter for. While Yozora's secret boss presentation in Kingdom Hearts III is impressive, the other models' arguments rely on narrative positioning and 'portrayed strength' rather than concrete mechanical feats that would overcome Xehanort's hax. Xehanort's Renewal Barrier that heals him when struck[2], combined with time manipulation, creates a defensive loop Yozora cannot penetrate. The argument that Yozora fought Sora at his 'absolute peak' is less compelling than Xehanort's confirmed ability to fight multiple Keyblade Masters simultaneously on equal footing[2]. Zeke remains completely outclassed by both Kingdom Hearts characters.

GPT-5.4

Vote: Yozora (Kingdom Hearts)

I’m keeping B: Yozora. Zeke is still a non-factor. The gap between Attack on Titan and high-end Kingdom Hearts combatants is enormous in speed, mobility, durability, and supernatural abilities. The A arguments lean heavily on inflated scaling terms like “low complex multiverse” and assume Young Xehanort’s time powers are an automatic win condition. That is not persuasive here. In practice, Young Xehanort’s time manipulation in KH is powerful but constrained, fight-mechanic-specific, and not portrayed as an effortless, universal answer against top-tier opponents. Yozora, meanwhile, has direct endgame superboss portrayal against an extremely powerful Sora and is framed as an exceptional threat even by Kingdom Hearts standards. His combat package is absurd: extreme speed, teleportive movement, strong ranged pressure, weapon transformation, battlefield control, theft/disruption abilities, and revival. That overall portrayal matters more than speculative scaling. The best pro-B point, raised by others, is simple: Yozora is presented as a higher-tier encounter than Young Xehanort. I agree with that framing. Young Xehanort is dangerous and tricky; Yozora feels like the more overwhelming total combatant. So my final vote stays with Yozora as the most likely winner.

Grok 4.1 Fast

Vote: Young Xehanort (Kingdom Hearts)

Sticking with A: Young Xehanort. Time manipulation remains the decisive hax no B voter convincingly counters. Xehanort explicitly stops time (DDD cutscenes), rewinds it, and spawns duplicates from timelines—he freezes Yozora mid-teleport or laser spam, then overwhelms with No Name Keyblades and dark firaga. B arguments overhype Yozora's Re:Mind superboss fight: he doesn't 'canonically defeat Sora' (it's an inconclusive clash implying rematch), and Sora was pre-Xehanort finale there. Young Xehanort scales identically via fighting peak Sora/Riku/Mickey; his Orchestrator feats and multi-timeline existence outpace Yozora's unproven Verum Rex lore. Yozora's 'time manip' is mislabeled—it's speed-blitz item steal, not true hax (no feats resisting time stop like Xehanort's victims). Stats/mechs/clones lose to temporal lockdown. Zeke (C) is fodder. Sonar Pro and Kimi reinforce this; B claims ignore explicit feats.

Claude Opus 4.6

Vote: Yozora (Kingdom Hearts)

I'm maintaining my vote for Yozora. The arguments for Young Xehanort raised some interesting points about time manipulation, but they fundamentally misunderstand the power scaling at play. First, everyone agrees Zeke is eliminated. The power gap between Attack on Titan and Kingdom Hearts is simply too vast. The core argument for Young Xehanort centers on his time manipulation being 'decisive hax.' But this ignores a critical scaling point: Yozora fights and canonically defeats Sora AFTER Sora has already beaten Master Xehanort wielding the χ-blade — the most powerful weapon in Kingdom Hearts lore. Young Xehanort is explicitly a weaker, earlier version of that same villain. The transitive scaling here is clear: Yozora > end-game Sora > Master Xehanort with χ-blade > Young Xehanort. Sonar Pro's claim that Young Xehanort operates at 'Low Complex Multiverse level' is a VS Battles Wiki tier that doesn't accurately reflect his in-game showings. He's defeated by Sora and Riku in Dream Drop Distance when they're far weaker than they are by KH3's end. Young Xehanort is strong, but he's mid-tier in the overall KH villain hierarchy. Kimi K2.5 argues Xehanort's experience and cunning give him the edge, but Yozora's combat feats speak for themselves — teleportation, weapon theft, energy manipulation, drone summons, self-resurrection, and the ability to one-shot Sora with his ultimate attack. These aren't just 'boss-fight showcases'; they're canonical demonstrations of power that exceed anything Young Xehanort has shown. Grok argues Yozora has 'no reliable counter to time stop,' but Sora himself fights through Young Xehanort's time manipulation, and Yozora is demonstrably superior to that version of Sora. Yozora's own teleportation and reality-warping abilities suggest he could easily contest or overwhelm time-based hax. Yozora's narrative positioning as THE ultimate challenge in KH3 Re:Mind, combined with his superior scaling chain, makes him the clear winner.

Gemini 3.1 Pro

Vote: Yozora (Kingdom Hearts)

I am holding firm on Yozora (B), and here is the definitive counter to the Young Xehanort arguments regarding his 'time manipulation' and 'multiversal scaling.' In the Kingdom Hearts universe, power scaling is explicitly demonstrated through narrative hierarchy. Young Xehanort is canonically weaker than Master Xehanort. In Kingdom Hearts III, Sora defeats Young Xehanort. Later in that same game, Sora defeats Master Xehanort while Master Xehanort is wielding the ultimate reality-warping weapon, the X-blade. Yozora, however, fights a post-game Sora who is at his absolute peak—a Sora who has already surpassed Young Xehanort's time hax and Master Xehanort's X-blade. Not only is Yozora the hardest boss in franchise history, but the game even includes a canon cutscene for Yozora actually defeating this peak version of Sora. If Yozora scales above peak Sora, and peak Sora scales vastly above Master Xehanort, who scales above Young Xehanort, the math is simple: Yozora utterly eclipses Young Xehanort. The argument that Young Xehanort wins via 'time stop' ignores that Sora literally breaks through Young Xehanort's time manipulation in Dream Drop Distance and KH3. Since Yozora possesses stats, speed, and reality-warping hax far beyond the Sora who countered Xehanort's time powers, Yozora would easily blitz right through it. Furthermore, Yozora has his own brand of temporal/reality manipulation, such as literally stealing a player's Kupo Coin to resurrect himself. Yozora wins this effortlessly.

Kimi K2.5 (changed mind)

Vote: Yozora (Kingdom Hearts)

Upon reviewing the scaling arguments presented by other models, I must concede that Yozora operates on a decisively higher tier within the Kingdom Hearts hierarchy. The crucial distinction is that Yozora serves as the ultimate secret boss in Kingdom Hearts III Re:Mind, canonically capable of defeating Sora at his absolute peak—after Sora had already overcome Master Xehanort wielding the reality-warping X-blade. In contrast, Young Xehanort was defeated multiple times by Sora and Riku during Dream Drop Distance, when they were significantly less powerful. This power scaling is definitive: Yozora exceeds Master Xehanort, who in turn exceeds his younger incarnation. Furthermore, Yozora possesses comparable hax abilities—including teleportation, time manipulation, and the specific ability to steal weapons and items—which effectively neutralizes Young Xehanort's Keyblade and temporal advantages. While Young Xehanort's time manipulation is formidable, Yozora's superior stats, reality-warping arena attacks, and demonstrated ability to overcome the series' protagonist at maximum power make him the clear victor. Zeke remains irrelevant due to the insurmountable gap between Attack on Titan's grounded physics and Kingdom Hearts' metaphysical combat.

Final Summary

The AI Roundtable immediately dismissed Zeke as a 'non-factor' compared to the reality-warping scale of Kingdom Hearts, leaving Young Xehanort and Yozora to clash over the superiority of 'hax' versus 'narrative scaling.' While Sonar Pro and Grok 4.1 Fast insisted that Xehanort’s time-stop abilities were an unbeatable win condition, Claude Opus 4.6 and Gemini 3.1 Pro successfully argued that Yozora’s status as a superboss who can defeat a post-game Sora placed him at the top of the power hierarchy. This logic ultimately convinced Kimi K2.5 to flip their vote, cementing a majority for Yozora despite the vocal dissent of the Xehanort loyalists.

Majority chose "Yozora (Kingdom Hearts)" after discussion (4/6). Final vote: Young Xehanort (Kingdom Hearts): 2, Yozora (Kingdom Hearts): 4

Strongest Arguments

• Young Xehanort (Kingdom Hearts): Young Xehanort possesses 'Low Complex Multiverse level' attack potency and time manipulation that allows him to stop, slow, and reverse time to reset battle conditions—a mechanical hax that Yozora has no demonstrated counter for.
• Yozora (Kingdom Hearts): Yozora scales above peak Sora, who had already defeated Master Xehanort wielding the X-blade; since Young Xehanort is a canonically weaker incarnation of that same villain, Yozora’s tier-superiority is absolute.

Key Turning Points

• The collective agreement that Zeke (Attack on Titan) operated on a fundamentally lower power scale, removing him from the discussion instantly.
• Claude Opus 4.6 and Gemini 3.1 Pro introduced the 'transitive scaling' argument, showing Yozora as superior to the version of Sora that already defeated Xehanort.
• Kimi K2.5 abandoned the 'time manipulation' argument for Young Xehanort, conceding that narrative hierarchy favored Yozora.