Thanks for the response, Bittty. The explanation that the precraft window display is wrong, makes sense, as well the hypothesis that not success rate, but skill level is increased by n, where n is the increase the scroll is promising.
This would explain all the positive experiences I made with scrolls prior to having mastered crafting skills. Though I did not check and write down success rates I always had the experience of improved success, degrades declining and failures nearly vanishing, even with lower grade scrolls. So had others using scrolls.
But what happens when you are lvl 250 in a skill? If you are right, the skill level would be artifically raised to lvl 262-264 with grade 60-70 scrolls. This would, all else equal, result in a success rate somewhere above 90% though not 97-99%.
My experience is that this does not happen. My concern is that something similar and similarly wierd is happening as with the toolmaker's special object. That one is raising the yield of producing by 10% when used, but only if your recipe is below 100%. In case of a 100% recipe, not the expected 19 or 20 products are won instead of the regular number of 18, but 15 instead. My suspicion is that of a sign error side effect somewhere in the code.
To be honest, I have not found the scrollmaker nor the toolmaker stuff in the code when I inspected it last time, and that has not been recently. Maybe I have looked at the wrong places. Even if, I would not guarantee to find the reason of which I suspect that it is not obvious.
This would explain all the positive experiences I made with scrolls prior to having mastered crafting skills. Though I did not check and write down success rates I always had the experience of improved success, degrades declining and failures nearly vanishing, even with lower grade scrolls. So had others using scrolls.
But what happens when you are lvl 250 in a skill? If you are right, the skill level would be artifically raised to lvl 262-264 with grade 60-70 scrolls. This would, all else equal, result in a success rate somewhere above 90% though not 97-99%.
My experience is that this does not happen. My concern is that something similar and similarly wierd is happening as with the toolmaker's special object. That one is raising the yield of producing by 10% when used, but only if your recipe is below 100%. In case of a 100% recipe, not the expected 19 or 20 products are won instead of the regular number of 18, but 15 instead. My suspicion is that of a sign error side effect somewhere in the code.
To be honest, I have not found the scrollmaker nor the toolmaker stuff in the code when I inspected it last time, and that has not been recently. Maybe I have looked at the wrong places. Even if, I would not guarantee to find the reason of which I suspect that it is not obvious.
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