How to master spells?

[Erik_Tyrrell]

@mintroll

Supplementary question, how high do mastery abilities get? level 3 would take six seasons... reduction in botch dice is very nice, is it worth it though.

It isn't the botch dice that make it worth it, it's the mastery abilities.

Collection/Index of all Spell Mastery Abilities?

I've been searching high and low, since I seem to remember another user listing which books and which pages describe Mastery Abilities. But I can't seem to find it. Am I imagining things, or did this actually happen? And can someone perhaps point me to this? Atlas games offer a lot of fine downloads, among others collections of Form/Material Bonus, Virtue/Flaw inex etc. I think they ought to make a Mastery Index also. Otherwise we all need to do this ourselves, and trawl through all the books. …