User blog comment:DYBAD/Character Sheet/@comment-5265497-20141004201703/@comment-4867780-20141005000018

The answer to this question and similarily competitive ones, lies in the origin of his power (check it out, though you must be familiar with it already).

His AR isn't a basic copycat version like the one Absorbing Man gained from a magic potion, but an absolutely all-encompassing one, directly "made" of "the origin of all origins", a unique shard of the unformed Totality predating all existences, before it expanded, diversified and fractured into an infinity of Multiverses. It can absorb/replicate absolutely anything because it made of the prime featureless 'material' that all defined existences evntuallu emerged from.