Baronovan said:How, may I ask, does anyone "formulate" what level a "summon black hole" spell wouldbe without using some arbitration? You're not the be-all end-all authority on this system; frankly, I don't think there is one, as not even the original writiers are consistent enough to support the idea of any kind of "final mechanic" by which all others are measured and balanced. So you must be approximating something. I just don't buy your claim of not doing so.
This would be my feeling also.
