Quote Originally Posted by Salt Demon View Post
Your chance to get a rainbow in an 11 pull is 5.231%

Your chance to get more than one rainbow in an 11 pull is 0.133436%

Every two weeks we get approximately 20 flower gems through events, and may average 25 including login and other means.
There are 52 weeks in a year. It take roughly four weeks to get fifty flower gems after you've burned you quests as a source.
So you may average 13 priority pulls a year.
You have roughly a 50% chance to pull one or more rainbow fkg in a year. (36% for one, 15% chance for more than one.)

It will take a Nutaku player about 167 years to get one of every existing rainbow, assuming no repeat pulls.

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