Check whether “instant” means account approval or money reaching your bank or...

https://varimail.com/articles/ethereum-casino-cashouts-why-do-some-withdrawals-still-take-hours/

Check whether “instant” means account approval or money reaching your bank or wallet; those are separate steps. “No KYC” may still involve checks. Bonus wagering rules and withdrawal limits can delay or cap cashouts, so read the terms first.