I know that, in general, tradeskill skillups are expected to happen less often on failures than on successes. I recall that if your primary stat (usually INT or WIS) is high enough, the chance of a skillup on failure can be as good as on success. How high is "high enough" varies for different tradeskills; for research I believe you get max chance on skillup on success at INT 115, and max chance of skillup on failure at INT 215.
That said, what I'm actually seeing is a lot more skillups on failures than on successes once I got to skill 243 making solutions and started making just spells. I'm at 262 now, and of those 19 skillups I got 14 on failures, 5 on success. (And though I'm not sure what my overall failure rate has been, I'm pretty sure I've succeeded on well over half the combines where skillups were possible.)
I know the RNG can do odd things, but I still find myself wondering if there's some special code to help giving a boost to skillup chance on spellcrafting failures. I figured I'd start by mentioning what I'd seen (14 of 19 skillups on failures) and see if others have noticed anything similar?
That said, what I'm actually seeing is a lot more skillups on failures than on successes once I got to skill 243 making solutions and started making just spells. I'm at 262 now, and of those 19 skillups I got 14 on failures, 5 on success. (And though I'm not sure what my overall failure rate has been, I'm pretty sure I've succeeded on well over half the combines where skillups were possible.)
I know the RNG can do odd things, but I still find myself wondering if there's some special code to help giving a boost to skillup chance on spellcrafting failures. I figured I'd start by mentioning what I'd seen (14 of 19 skillups on failures) and see if others have noticed anything similar?