Originally Posted by JSensei

Guessing you're relatively low level? After a certain point, Pero becomes all but meaningless. At any given time, I have anywhere from 7-10 million pero. There's nothing worthwhile to spend it on, so it just accumulates. Eventually, you'll be in the same boat.

I figured that would happen eventually, but still have lots of cards left to level up. currently at 1.2M SED.