Sun King was able to absorb ALL energy in his vicinity -- even that from the friggin void itself(which is why BFR wouldn't work): http://i.imgur.com/kHUv0Kf.jpg http://i.imgur.com/VizNWN0.jpg
*And SK's ability to absorb energy was pretty damn uninhibited, as he eventually absorbed all the energy of his native universe.
All things considered, I probably would. Frankly, I had forgotten how damn powerful Sun King was until I went back and reread the pertinent issues of Shadowpact.
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"I am tired of Earth. These people.
I am tired of being caught in the tangle of their lives."