Is 500 Blood reasonable?

It only takes ~200 blood to get to SSS. So having a clan challenge that expects us to earn SSS a few times over for minimal rewards seems ... unrealistic. There IS 630 free blood per week in a 30 person clan, not to mention heavy hitters who regularly buy blood, so it's clearly doable. But when I compare this to past clan challenges, it's considerably more work.

All of the clan challenges that I can remember haven't even required getting to SSS once (usually just halfway). This one is roughly 5 times harder. The work/reward ratio for even the 350 blood challenge feels off. Sure, two more chances at the Oracle, but we fully expect to never get the monthly 10/75 characters. So pushing harder to fail at 10/75 instead of failing at 8/75 isn't much of an incentive.

Anyway, I hope you keep track of how many people get the challenges and use that data to tune future events.