If at least one of the Bay12ers in each fortress is still active, it shouldn't be too difficult to modify an earlier post to direct potential readers towards later episodes even if they don't make it into the Hall. Something along the lines of:
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EDIT:
ATTENTION!
The sequel to Hellcannon is located here.This would solve the issue with readers not getting the full story. Many readers would prefer to only read the best parts of a series at first anyway, and perhaps go back to see what they missed later.
I'm sure if I'd been here for Sparkgears, I would've been against it being automatically inducted, too.
But as I said, if Hellcannon truly is worthy to be here, shouldn't it be capable of generating six votes? If it isn't, in a way it's already been "retconned out" by unpopular opinion. (Again, not saying that that's the case.)
What I'm saying actually works against me, in a way - my favorite succession fort, Spearbreakers, is itself part of the Headshoots/Syrupleaf series branch from Boatmurdered. While I'd feel safer for it to be guaranteed a spot, I don't feel it would be right. Moreover, it raises the question: "How do you determine if a series is great enough to merit being given a guaranteed spot in the Hall of Legends for all future fortresses?"