I know, choose rarity and click on mine and wait. A lable will be added to you badge and than you can click on save.

Super rare doesn’t take so long. I never could reach ‘epic’ but nostr:npub137c5pd8gmhhe0njtsgwjgunc5xjr2vmzvglkgqs5sjeh972gqqxqjak37w did. Maybe he can tell you more about how to reach this