If you stat it, the players can kill it. Just a warning.

I think that the things these demons can grant can't be accurately represented by giving them stats. They can grant boons like Hellfire, unique items of power and things like it. There's no stunt/power that represents it.

If the players are going to be intent on crossing swords with these things I think hellfire would be appropriate for them. Though the first thing I'd see these things do is throw up a veil and vanish in to the nevernever while perhaps letting a few more thuggish minions out to cover his retreat and/or tear the PC's a new one.

While waiting for the new Dresden files book I've been reading the Iron Druid series. And it's got some fun stuff in there. Most interesting is the Druidic magic. Which I think could fall easily under a category of sponsored magic.

But there's two items of power that might be interesting to incorporate in to a dresden files game.

There's Morreltach, which is enchanted to kill any foe with even the slightest injury.
And Fraggeras, a sword that can cut through any armor, conjure wind and when held to someone's throat.

Fraggeras would be fairly easy to stat giving access to offensive channeling (air), a high weapon rating and giving you the option to easily interrogate someone when they are taken out. Maybe the weapon as some aspects to reflect it's incredible sharpness.

But Morreltach, I've got no idea how to stat such a deadly weapon. One consequence and you're boned. How would you do this?

So, the limit is how much lore the caster can put together? That's not something you can just keep pumping in to the spell at intervals?

I couldn't find an awnser by searching. So I ask.
When a character is going to use thaumathurgy, assuming time isn't an issue. How much power/complexity could a wizard put in a spell? I figured that there should be a limit but I couldn't really find one in the rules.

Is there a limit to a wizard's ability to do magic?

And a bonus question: Assuming time is a factor, how much time usually passes before you can roll to gather your power?

I'm wondering, aside from the myriad of dangers, the risks of getting lost/eaten or otherwise wind up in some charlie foxtrot, how hard is it just to open a way to the nevernever?

Harry specifically says that it's not something he could do easily. Even in the more recent books the effort seems to tire him out quite a bit. Or it's implied anyway.
So how many shifts of power would be needed to open a way?

Also, is that done with a ritual or with a special kind of evocation?

Cowboys &  Indians & sorcerors sounds pretty awesome to me yeah.

Oh I can imagine something like HBO's Deadwood. But surrounded with native american shamans. Chinese dragon-sorcerors.... Oooh makes me tingly to think of six-guns and hexes.

Thanks for the advice guys. My player's getting a +3 refresh bonus for his troubles.