Can Absorbing Man absorb the Green Lantern ring? he can get close enough to touch it and then be the ring.
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ScooblesssselboocS
Well he's a Marvel character so he's never had the chance... i think he once absorbed the power of Mjolnir though... and Quasar's quantum bands (closest thing to a power ring in Marvel)
GK
General Kon-ElLast Son of the Sith
If he can, i think he can morph into whatever his imagination allows him to. But AM isn't really smart. He's sort of dumb. I think Sinestro would still defeat AM.