Dreyer said:
What is you experience with it? worth it or not?
With a solo slaan it is. If you're in a block of temple guard, you end up killing off too many of your little buddies.
After using soulstone, it would make the miscast cart look like this:
2-3 Dimensional Cascade (very bad)
4-8 Slaan Takes a hit that wounds on 2+, D6 dice are lost.
9-10 Slaan and skinks take hits that wound on 2+, D6 dice are lost.
11-12 Power Drain (loses D3 magic levels, very bad)
It reduces the very bad results to ~16%, (effective that outright kill the slaan, or take away his magic levels).
Without Soul Stone, very bad things happen 33% of the time.
I usually go without it. But that's because I'm not gunning for the big "6" spell and throwing lots of dice. I'm running with 3 bound spells and doing a higher volume of low die casting making the chance of me miscasting much lower in the first place.
-Matt