Check whether “instant” means quick approval or fast bank transfer; those are...

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

Check whether “instant” means quick approval or fast bank transfer; those are different steps. “No KYC” may still come with checks later. Bonus terms, wagering, withdrawal caps and payment methods can all delay or limit a cashout