For those of you who haven't been following, Ronnie Raymond was reincarnated as a Black Lantern (ie. a zombified/evil version of his previous self.) After 'resurrection', he eventually tracked down the current/living Firestorm (Jason) and separated him and his girlfriend Gehenna from the Matrix. Upon so doing, he forcibly merged Jason with himself and gained the transmutational power over organic matter Jason possessed. Ronnie then demonstrated this new-found power by turning Gehenna into table salt:
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By the end of Blackest Night, Ronnie was among the group of heroes that were truly resurrected: