It has long been argued thatSupergirlis actually more powerful thanSuperman , since she spent more clip in space draw the rays of Earth ’s white-livered sun upon her trip to Earth . And while the cogency of that posture remains to be seen , it is true that Supergirl has one impregnability that makes Superman look like an absolute weakling .

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InSupergirl#25 by Kelley Puckett , Drew Johnson , and Lee Ferguson , Kara is running simulations of human beings - ending events to better fix herself in the likeliness something like what she ’s training for actually happens . As if due to entice fate , Supergirl is later attacked by a scoundrel named Reactron who launches an assault against her by shooting Supergirl with a powerful blast akin to a nuclear bomb . While she is knocked down , Supergirl   is far from out of the fightand even seems as though she was barely phased by the explosion .

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Supergirl ’s reaction to essentially being stumble with a nuke prove how much tough she is than Superman , at least in that gaze . Superman has taken nuclear flack to the face a routine of times in the past to forestall them from annihilate their intend fair game with two examples being found inSuperman / Wonder Woman#6 andThe Dark Knight Returns . However , on both occasions , Superman was weakened immensely by the explosion as the Department of Energy they publish seemed to drain the life force right out of him . Supergirl , on the other handwriting , just casually gets back up after take the full - force play of Reactron ’s attack and sustain on contend like it ’s no big deal – not even go about the emaciated response Superman has .

While Supergirl ’s sheer forcefulness could be the reason behind thisdisparity between Superman ’s impregnability and her own , it could also be due to the Energy Department itself that Kara is pillory with in this result . Reactron has entree to far - off stars in the cosmos and can pull the energy from an entire sun from his trunk and use it as a devastating weapon . Since Kryptonians benefit superpowers from the energy of specific Lord’s Day , Reactron could have just score her with another DOE source , making the onrush fundamentally useless . However , it seems potential that Supergirl would have felt a surge in superpower rather than feeling the wallop of an fire if that was the case , and her immediate chemical reaction was to mean she was murder with a thermonuclear warhead upon their initial encounter . In other words , because ofSupergirl ’s power to get blasted with an attack indistinguishable from a nuclear blast and get up like nothing happened , she proves that her invulnerabilitymakesSupermanlook like a weakling .

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