3400eur disappeared from account

I tried to withdraw my funds, for which I passed kyc and sent all my documents. Then, out of nowhere, I received an email that my account has been closed, not citing an article or any reason, and the emails I've been sending in regards to the withdrawal of my money haven't been responded to for 2 weeks. I have screenshots of what the casino told me and I attach them here. The amount of funds is 570 euros.

I was given no deposit no wagering free spins where the only rule was 50$ max cash out. I got to 50$ made a withdrawal request. 2 days later the asked for extra documents even though I was already verified and had made deposits prior, anyways I gave the bank statement to make my bank withdrawal.2 days later it was accepted (4 days delay) I was told to make another request for bank withdrawal, 2 days later it failed (6 days delay). I was told to enter the withdrawal data correctly even though I already had anyways I did.

2 days later it failed (8 days delay). I was then requested to make withdrawal via other means and had to reactivate my old debit card even though I didn't want to. I did and made another withdrawal request. 2 days later it was denied (10 days delay). They then asked for pictures of my mastercard. At this point I was absolutely livid. Anyways I supplied what they asked. 2 days later they accepted the again further requested kyc document (12 days delay). I then made my withdrawal request to my debit card. It was accepted, 2 days later it was failed (14 days delay).I rang my bank, there was absolutely no issues found on there end.

I have been mucked around by this casino back and forth to the point of boiled rage to the point it has affected my health, and the next good win I get I intend to pay a lawyer and file a lawsuit if i cant get this sorted. I have never in my life been mucked around by a casino to the point the stress has actually affected my health like this.

I'm verified to 10 casinos and play on a further 40-50 here and there they clearly are refusing any and all means of withdrawal and there support is only available 5-6hrs a day and its nearly impossible to get through to them and when you do, they are completely helpless and send replies that feel copy pasted (almost like talking to a bot). Please help me, I honestly don't know what to do I've been taken for an absolute ride.