Ah True, but it also says:
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Which means...You can make an item, (complete or not) and attune it as your Talisman. This is what I am doing...
What you are referring to is 'the capacity for enchantment'. It also says "...instead depends on the power of the magus to whom it is attuned'
I would not need to do this...
Following that it says "....may be used to prepare a talisman is equal to the sum of the ..."
I am stressing may, because you AREN'T forced to do so...
and prepare because that indicates you are trying to raise the amount of Vis.
That would be an excellent deduction.
I would also like to add that this IS what Verdi do...make devices. Consider, I have see Flame throwers only a handfull of years out of Gauntlet, able to generate fifty something casting scores...
A Specialist should always have an advantage when doing their 'thing'...
I started with the max..eight IIRC. I spent a lot of time making items for my Covenant in the beginning...simple stuff...but hey.
I traded for MT tractatus when I could...One or two every couple of years helps...
Take MT experience when I make a spell (rare)...
Take exp when I distill Vis...not as rare.
...Be persistant.
We have a Tytalus that has 20 somethings in a couple of Arts...210 exp.
but his MT isn't super high..maybe 6 ish?
He (and others) handle the fluid part of adventures, and I provide the well prepared parts..that tend to be more powerful effects, but not very flexible.
Works pretty good.