>>531279472
https://gamewith.jp/uma-musume/article/show/258840
It's this whole horse building section. They do a really bad job at keeping their pages up to date
>>531279640
You have to play A LOT and hopefully you have your wallet as a backup plan in case you fail.
I had my first spark built up within a couple weeks of launch. The upside with Kitasan is that your rerolls count toward the spark