"Yeah, uh, but... suppose we get an ordinary third-circle wizard who is not Carissa Sevar to try it.  What steps are they going to fall down on?  And can you make a magic item - potentially a very expensive one, that takes you a while to craft - that lets the third-circle wizard get past those?"

"Where making ten +4 headbands is probably a more important goal than making one +6 headband, I think, though it's a tough call... actually, I shouldn't even try to guess that, my actual motive here is that I suspect that building the Item of +4 Headband Creation is going to be noticeably easier than crafting the Item that boosts making anything difficult."

"Yeah, uh, but... suppose we get an ordinary third-circle wizard who is not Carissa Sevar to try it.  What steps are they going to fall down on?  And can you make a magic item - potentially a very expensive one, that takes you a while to craft - that lets the third-circle wizard get past those?"

"Where making ten +4 headbands is probably a more important goal than making one +6 headband, I think, though it's a tough call... actually, I shouldn't even try to guess that, my actual motive here is that I suspect that building the Item of +4 Headband Creation is going to be noticeably easier than crafting the Item that boosts making anything difficult, and even you should try doing the easier difficult unprecedented thing first."

"Yeah, uh, but... suppose we get an ordinary third-circle wizard who is not Carissa Sevar to try it.  What steps are they going to fall down on?  And can you make a magic item - potentially a very expensive one, that takes you a while to craft - that lets the third-circle wizard get past those?"

"Where making ten +4 headbands is probably a more important goal than making one +6 headband, I think, though it's a tough call... actually, I shouldn't even try to guess that, my actual motive here is that I suspect that building the Item of +4 Headband Creation is going to be noticeably easier than crafting the Item that boosts making anything other people consider difficult, and even you should try doing the easier difficult unprecedented thing first."