Making the Sheriff unique, guaranteed, and unconvertable is an absolutely terrible idea. In practice, the most important impact of this is to make it completely impossible for evils to ever claim Sheriff - the real sheriff will easily call you out.
This in turn means that anyone who claims Sheriff will be almost always be believed (Scorned have a huge amount of trouble claiming Sheriff, too, because, again, the real Sheriff will call you out immediately, knowing that a second one is impossible, and the real sheriff will always be present in an Unseen game. Thereâs some configurations of fools and scorned that could occasionally lead to a mistake, but the vast majority of the time Sheriff claims are now off-limits to anyone but a real Sheriff and trying to fakeclaim it will get you instantly called out.)
At the same time, Sheriffs now have no strategic depth in deciding when to reveal - conversion immunity means that youâll almost always be covered (since knights, physicians, alchemists, and the king can all completely protect you, and Observers can functionally do so as well.) This leaves Unseen with few options for dealing with a Sheriff and makes gameplay surrounding the Sheriff extremely dull (Sheriffs reveal as soon as they have any info; protectives always protect a revealed sheriff who hasnât been CCed because theyâre almost 100% genuine; Unseen have to avoid him; nobody has any interesting choices or room for deception.)
What was this change trying to accomplish? It makes the metagame significantly worse; I saw only one post requesting it, based on very weak arguments about making Sheriffs more fun for the Sheriff (without regard for the impact on gameplay beyond that) and veiled threats by the poster that the risk of being converted made them want to gamethrow as a Sheriff by never revealing themselves or doing anything to help BD. These are not credible arguments, certainly not for a set of changes that (taken together) severely damage the metagame. ToL is a conversion-based game. The risk of being converted is a major part of every role and central to the game; among the BD, only the Prince and the King should ever be completely immune. If people are terrified of being converted, there are changes that can be made to reduce the penalty for getting converted late (as Iâve suggested in the past). But itâs central to the game and granting BD roles conversion-immunity undermines the basic concept that keeps things interesting.
Beyond that, Sheriffs absolutely cannot be unique. This is the most serious problem with the changes. The change seems to be premised on the idea that uniqueness makes a BD role weaker; but the opposite is true. Uniqueness makes roles more powerful by making it harder for evils to claim them. Yes, it can be used to balance an overpowered role, but individual Sheriffs were not (previously) overpowered.
And, more generally, we need to be moving in the direction of allowing more roles that evils can claim, not less. A change that makes it functionally impossible for anyone but a Jester to fakeclaim Sheriff is a terrible idea.
(Having Sheriffs be guaranteed is not itself a problem as long as theyâre not also unique. But the combination of the two completely removes the Sheriff as a fakeclaim for most eviles, which I donât think is an acceptable sacrifice for the very weak and mostly unimportant gains that this change was aimed at producing.)