Infirmary Guide: How to Cure Bad Conditions in Umamusume: Pretty Derby. See the Probability of Curing Bad Conditions in the Infirmary for Practice Poor, Night Owl, and effects in Umamusume.
Table of Contents
Infirmary Effects
Curing Bad Conditions
The Infirmary restores 20 Energy and has a chance to cure a Bad Condition. However, there is a success rate, and it can also fail.
Can also be cured in Tazuna's event
It's also possible to cure a bad condition during the 2nd and 4th Recreation events with Tazuna Hayakawa. This is a guaranteed cure, so it's more reliable than the Infirmary if you can trigger it.
| Support Cards with healing events | |
|---|---|
| Tazuna Hayakawa | Tazuna Hayakawa |
Infirmary Success Rate Verification Results
Verified with Practice Poor and Night Owl
We triggered the relatively common "Practice Poor" and "Night Owl" conditions to verify the number of attempts, failures, and the probability of being cured.
Infirmary Success Probability
| Target | Success | Failure |
|---|---|---|
| Practice Poor (Total 119) | 84% (100 times) | 16% (19 times) |
| Night Owl (Total 111) | 84.68% (94 times) | 15.32% (17 times) |
The success rate in the Infirmary was 84-85% for both, with a failure rate of around 15-16%. While there may be slight discrepancies due to the number of trials, these results suggest that a bad condition has an estimated 85% chance to be cured and a 15% chance to fail.
Number of Consecutive Failures Until Cured
| Target | 1 Time | 2 Times | 3 Times | 4 Times |
|---|---|---|---|---|
| Practice Poor (Total 100) | 86% (86 times) | 10% (10 times) | 3% (3 times) | 1% (1 time) |
| Night Owl (Total 94) | 87.23% (82 times) | 8.51% (8 times) | 3.19% (3 times) | 1.06% (1 time) |
It only took one visit to the Infirmary to cure Practice Poor/Night Owl in 86-87% of the cases. There was a 1% chance of failing 3 times in a row and succeeding on the 4th attempt.
 Note! | Although the probability is low, there are reports on social media of 4-5 consecutive failures, so it is believed that an 85% success/failure check is performed each time. |
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Probability is Likely the Same for All
In this test, the difference in success rates between "Practice Poor" and "Night Owl" was small and considered within the margin of error, suggesting that the success rate is likely the same for all bad conditions.
| Note! | During the 2832 total turns of this verification, the Acupuncturist Event occurred twice. It occurred again a short while later, resulting in a rate of about once per 1000 turns. I felt it was a rarer event than I had expected. |
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