[ArM5] Size Changes

[Tim O'Brien]

If I'm reading the Muto and examples and Size and magic size guidelines 
correctly, and I may not be, one should be able to alter Size by +/-3 with a 
+1 magnitude shift to the (Form) base effect. For example:

Magus Minimus
MuCo 10
R: Per, D: Sun, T: Ind
Reduces the magus in volume/mass by a factor of about ten, effectively 
reducing him to -3 Size; for a 150 lb magus this is about 15 lbs, roughly 
the weight and size of a small child.
(Base 3, +2 Sun, +1 for Size)

And, of course, the reverse:

Magus Magnus
MuCo 10
R: Per, D: Sun, T: Ind
Increases the magus in volume/mass by a factor of about ten, effectively 
bringing him to +3 Size; for a 150 lb magus this is about 1500 lbs, roughly 
the weight and size of a huge bull or average rhinoceros.
(Base 3, +2 Sun, +1 for Size)

I may have missed something, though; the size-changing spell examples 
increase Size by +1 or reduce it by -2. Possibly the intent is to get a +1 
per magnitude increasing, or -2 shrinking.

Even if I've read it right, I'm not sure how bad an up-size spell is, at 
least at this level; it only increases your Wound range, doesn't affect your 
strength or stamina. On the other hand again, another magnitude gets you to 
a +6 or -6 size. That's pretty substantial.

Opinions?

_____
TSOB
Timothy Squire O'Brien