Originally Posted by Balek

Good to know. My job description is Software Developer but I used the terms (Developer/Programmer) in the same meaning until now.


ATTENTION WIZARDS, MAGICIANS AND OTHER CREATURES WITH CONSPIRACY THEORIES!
Behold! Nutaku response to my support ticket:

Hello Balek,

Our drop-rates are static and are determined, in Gachas for example, by the number of cards that belong to a deck, their rarity and the Gacha Machine their are in (the eGacha being different as it runs on the 5-step model).
Please note that we do however use this method from time to time, although it is not "hidden" but rather used as a promotion.
If you have been following us in the past, you may have noticed our announcements regarding certain cards, SECs mostly, having a higher drop-rate over a determined period of time. Please note that such modifications must be announced as otherwise it would go against the original PeroPero model, as as you mentioned would cause confusion.
So, to sum it up, unless announced, no time based modifications, or any modifications for that matter, are made to drop-rates.
We hope this clarified the situation!

Thank you for your support,
The PeroPero Team

My complain wasn't about sucess rate but about N cards in eGacha. Nutaku deleted all questions about this issue, they never learned about their own fiasco with those N cards (as happened with Shuri).