I've been trying to parse what you're saying here, and I can't seem to. WC isn't a Ritual spell. Looking at the errata, I can't see anything about WC, or anything else that would somehow imply a WC will take away 10 levels of power (whatever this means). I'm just at a loss here.
This doesn't really relate to your point in that paragraph (which I agree with), it's just a technical point I was wondering if you can clarify.
See, this traces back to what I'm saying in the other thread about needing standards. In D&D, I can point to the dragon stats and say "see, this beast requires a level 15 character to defeat it". In Ars Magica, I'd like to similarly be able to say "see, you need to be 55 years post-gauntlet, with the right focus, to defeat it". Since no such guidelines exist, we're left arguing in a void.
Bottom line - I believe the setting as-written isn't consistent with the power level of magi. I believe that MR 50 is too weak for a beast that is supposed to be virtually immune to Hermetic magic; if the Art-20 guy can arguably take it, it's too weak for that. I believe that the sentence "A Might Score of 75 renders the creature almost immune to Hermetic magic; casting totals over 75 are very rare indeed, even before subtracting the spell level" is very misleading as such casting totals are within reach of a covenant of determined middle-aged magi and are well below the casting totals elder magi can whip out without breaking a sweat. And so on.
I also believe the game would be better if the mechanics better matched such texts. I want Might 75 creatures to be "almost immune to Hermetic magic" - in other words, I want even elder magi with the right focus to need to pull out all the stops to take down such a being (which, incidentally, is pretty much what Arts as Abilities achieves!). Indeed, I'd up the ante and make Might 75 being really immune to Hermetic magic; taking down Poseidon requires a McGuffin, not a generic pile of raw vis - and taking down Zeus (Might 100) is basically impossible.
On the "fitting the flavor text" side, notice that what we have here are casting totals far exceeding 75, unlike what the flavor text says. Or at least implies.
On the "what I want" side - we're talking about facing off an Elector of Hell, or an Olympian God or one of the great Titans that fought them, or an Archangel. I fully endorse the idea that Art-40 guys should be up to such a challenge; but they should find it a challenge, it should be something that an adventure or even saga arc is built around (find the angel's True Name, forge a Sympathetic Connection to it by learning the precise time of his direct Creation by God....), not a random encounter. Not even a tough random encounter. I don't like the idea that a cooperative group of Art-20 guys can take them down, not matter how well prepared.
I agree. It's just a symptom of magi being able to trample the setting's creatures too easily at all levels, IMO.
:shrug: Nothing a ReMe spell can't solve. Just have him order the host back. Having Uriel brush the magi's shoes each morning would be a nice touch.
The SG can always one-up the PCs. I still maintain the setting is broken when a bunch of middle-power magi can decide to pull all their resources to gang up on the most powerful being in the cosmos as he visits their covenant, and possibly succeed (without any McGuffin; McGuffins allow anything). (say, Casting Total 174 [6 die + 20 Te + 20 Fo + 20 focus + 80 raw vis + 5 talisman + 5 aura +3 confidence + 5 penetration + 1 spell mastery + 5 penetration from spell mastery + 4 double puissance or other virtues]; notice how this time I used piles of raw vis instead of WC? Wizards have options. The real fun is in collecting 'em all.) Regardless of what endless armies the SG puts behind Michael - for me, this is just not a scenario that should be possible, period.
My point wasn't to argue otherwise, but rather to say that in other settings we don't have this particular kind of suspension of disbelief/rationalization. Wizards in D&D have vast powers at high levels; but the setting's histories typically reflect that too, with wizard empires, wars devastating entire kingdoms, and so on.
Agreed. Ars is eminently tweakable