If you've got 16 Fort on Regill you've got *much* bigger problems than just Fort saves.
You did, I hope, notice that he's completely unbuffed and without proper gear because I just needed to grab a quick screenshot to prove RR doesn't work here and did not actually prepare for that fight (or any other fight, for that matter)?
The point is that I'm not stacking Fort Saves (that character had 60 Reflex), I'm just paying minimal attention to keeping my saves up in general.
> +16 from Class
> + 7 from CON
> + 6 from a buff that works only on Good Characters (of which I have 0 in my Party)
> + 4 from a Teamwork Feat that most people won't take because things like Outflank and Seize the Moment are better options 95% of the time
I mean just this stuff I listed won't be available to a solid majority of Characters because it requires a combination of features that only a certain limited subset of Characters can have access to (Good-aligned, likely almost exclusively levels in Martial Classes, decently high CON and CHA, not Feat-starved). Other types of Characters are pretty much fucked by default in this particular fight and have no means of counter-play, unlike in p. much any other fight I can think of.