We prove that Vop\v{e}nka’s Principle implies that for every class of modules over any ring, the class of () is a special precovering class. In particular, it is not possible to prove (unless Vop\v{e}nka’s Principle is inconsistent) that there is a ring over which the () or the () do not form a precovering class (\v{S}aroch previously obtained this result for the class , using different methods). The key innovation is a new “top-down” characterization of \emph{deconstructibility}, which is a well-known sufficient condition for a class to be precovering. We also prove that Vop\v{e}nka’s Principle implies, in some sense, the maximum possible amount of deconstructibility in module categories.

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