Marvel: The Ultimate Superman

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Nolan entered Otto's lab and walked straight toward the containment display. Inside sat a shimmering crystal transparent, prismatic, pulsing faintly with energy. Otto had done it.

Using a particle collider, he had refined a fragment of the Tesseract into a new isotope brighter, more stable, and far closer to viable power output.

Nolan scanned the readout Otto handed him, eyebrows lifting slightly. "It's good... but this isn't truly infinite. At a higher draw rate, energy output collapses. The core can't maintain equilibrium."

Otto adjusted his goggles, hands still stained from the reactor tools. "Boss, there's no such thing as infinite energy. Just underutilized fuel."

He gestured toward the refined crystal.

"This shard alone could power the entire Oscorp complex for a full year. And after that? The isotopic core can recharge itself within two months."

Nolan ran a few calculations of his own, skimming through the data.

"Can we mass-produce it?"

"With the structural model? Yes," Otto replied. "But creating chain reactions requires high heat thresholds. We're not Tony Stark. Miniaturized cold nuclear fission? That's beyond me unless you've got full schematics."

At least Otto was honest. He didn't oversell.