Similar themes appear in `` The Lurking Fear '' -LRB- NUMBER@1 -RRB- and `` The Rats in the Walls '' -LRB- NUMBER@2 -RRB- , both of which posit the existence of subterranean clans of degenerate , retrogressive cannibals or carrion-eating humans .

Similar themes appear in `` The Lurking Fear '' -LRB- NUMBER@1 -RRB- and `` The Rats in the Walls '' -LRB- NUMBER@2 -RRB- .
