B60 introduced the basic forms:
B380 had special rules
P52 introduced new forms:
and enhancements for Diffuse
and modifiers for IBP:
re "No Slow Down": http://forums.sjgames.com/showthread.php?t=12790
- I'd just define it as a new IT, inline with the costs of High Pain Threshold and Recovery, and call it 10 points, with a +100% enhancement if it affects FP loss as well.