I was looking to a very electrifying Flambeau that magi of Tom posted a few days ago, and taking it as a base to do some NPC advancement. I thought that it would be fun to add some years to the character as use it as a old Hoplite and Legion of Mithras soldier in our saga, but it went a bit out of hands and I ended adding her over 100 years after apprenticeship, looking to develop the NPC until his dead (whenever her decrepitude reachs 4, at 160 years)... or Final Twilight (whenever her warping score hits 10).
And hence my question: the character have the flaw Twilight Prone, and at first I thought that characters use to get a coupe of warping points per year (I think I remember it to be some kind of canon data but I can't recall where I found it), so I figured that maybe Twilight Prone could double that number, and got that she would barely survive a bit over 100 years before passing into Final Twilight. But then I re-read the twilight mechanics and didn't found Twilight causing extra warping points, so she could last 160 years before dying of decrepitude, as it would happen with any other magus like (well, as long as he made exactly the same rolls for longevity and the same longevity rituals at the same time) her but without the Twilight Prone flaw.
So either I am missing some other ways to get warping that she would suffer somehow more, or as rules are a character with the Twilight Prone flaw (a Major one!) have exactly the same chances of passing into Final Twilight that any other magus, which doesn't makes much sense to me.
So am I missing something? Or should I just design a house rule to give Twilight Proned characters more chances to get warping? (a first thought would be to give one warping point per botch dice and double the warping points gained if Twilight isn't comprehended, or something like that) Any other ideas?