Re: DC's New 52: Reviews and Discussion (Spoilers welcolme and likely)
Yeah, there's no way this is not the end for the Guardians, unless we're going back to 90s status quo with no Green Lantern Corps. Highly unlikely, though. Frankly, their reckoning has been a long time coming, like since Rebirth practically.
"In Brightest Day, in Blackest Night, no evil shall escape my sight. Let those who worship evil's might, beware my power: Green Lantern's light!"