Really annoying spell scripting issue - Bug?

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I ran a simulation with all N spells researched, with an N3 caster and a small army, and the N3 caster scripted just to "Cast Spells", and holding two N gems.

Here's how the spells scored:

Eval: Sleep Touch score 0 (fat 2)
Eval: Vine Arrow score 14 (fat 5)
Eval: Sleep Cloud score 0 (fat 6)
Eval: Breath of the Dragon score 0 (fat 6)
Eval: Poison Cloud score 0 (fat 10)
Eval: Stream of Life score 35 (fat 10)
Eval: Eagle Eyes score 118 (fat 1)
Eval: Poison Touch score 0 (fat 1)
Eval: Resist Poison score 0 (fat 1)
Eval: Barkskin score 59 (fat 1)
Eval: Protection score 244 (fat 5)
Eval: Elemental Fortitude score 4 (fat 2)
Eval: Swarm score 1526 (fat 25)
Eval: Wooden Warriors score 1110 (fat 16)
Eval: Creeping Doom score 495 (fat 100)
Eval: Mass Protection score 1778 (fat 50)
Eval: Polymorph score 0 (fat 100)
Eval: Tangle Vines score 0 (fat 5)
Eval: Maggots score 0 (fat 25)
Eval: Howl score 530 (fat 66)
Eval: Wild Growth score 0 (fat 40)
Eval: Healing Touch score 0 (fat 5)
Eval: Personal Regeneration score 772 (fat 13)
Eval: Regeneration score 245 (fat 20)
Eval: Heal score 28 (fat 5)
Eval: Haste score 605 (fat 50)
Eval: Poison Ward score 17 (fat 33)
Eval: Serpent's Blessing score 6 (fat 100)
Eval: Berserkers score 115 (fat 6)
Eval: Sleep score 5 (fat 6)
Eval: Panic score 0 (fat 6)
Eval: Touch of Madness score 1580 (fat 15)
Eval: Growing Fury score 128 (fat 100)
Eval: Charm score 0 (fat 15)
Eval: Storm of Thorns score 150 (fat 6)

"Touch of Madness" gets scored really high because for some reason buffs are weighted much higher than attack spells. I can't find any way to mod the score lower. Nice stuff like "Storm of Thorns" is stuck at 150 points.

But there are 2 bright spots of hope here:

You'll probably cast "Mass Protection" instead of "Touch of Madness". But there's a long way between Thau 4 and Alt 7. So this is actually a dim spot.

Here's the actual bright spot: "Swarm" just barely lost out.

So here's a potential Touch of Madness workaround: If you mod "Touch of Madness" from fatigue 30 to fatigue 50, and your N3 caster always has N gems and has researched Alt 4, then he should cast "Swarm" instead of "Touch of Madness", when he doesn't know what to do. And "Swarm" is actually a nice spell to cast.

An easier workaround is just to mod Touch of Madness to fatigue 300, and don't carry 3 N gems.

As a side note, "Legions of Steel" is totally hosed as far as score is concerned ... the "Number of effects=5" effectively multiplies its score by 5, to the 6000 range. There's nothing even close. But at least legions is occasionally just a waste of casting time, not actually damaging like madness.