Originally posted by Enyalus
Too early for Starbreaker IMO. ^ Eh, what? Starbreaker has been around since the 70's.
Anyhow, this is honestly spite in Starbreaker's favor imo. He has already shrugged off attacks from pre-crisis Superman, with no ill-effect whatsoever:
http://img32.imageshack.us/img32/8559/starown2.th.jpg
(PC Superman being no less than equal to Prime.)
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Subsequently, Starbreaker's also owned Superman with an attack which would easily own Prime as well:
http://img33.imageshack.us/img33/9505/starown3.th.jpg
Tack on the fact the any/all of Prime's attacks, (be it HV, ice breath, physical blows, whatever) would all be absorbed by Starbreaker, thus increasing his own personal power. Plus, Starbreaker would feed on any anguish/fear/pain-based emotions Prime was experiencing. The dude is uber to the nth degree - honestly, this would be closer if it was the entire Sinestro Corps (but even then I'd go with Starbreaker.)
Not to mention that Starbreaker has also been called the most powerful being in the universe on several occasions (hell, he even threatened the entire multiverse at one point.)
Like I said, spite.