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It came from swap.hive on swap engine in my case.

I had to wait a day for them to show on defidojo.dev but then they did show up!

Thanks. I tried to buy 2 packs now with funds in my swap.hive to cover, but got this:

"There was an error broadcasting this transaction: : decimals == 3: Incorrect decimal places"

Did you come across this by any chance?

I did not get that error, but try tomorrow and see if it works.
Other than that, usually it's good to try and contact someone on Discord but I don't see a channel on either PAL or Splinterlands discord servers for DefiDojo. Maybe it has its own discord? I guess you can ask in the Splinterlands general channel. Good luck and best wishes!