And also I think he don't need to seek for another casino since the one he need is to take a break or stop this shit forever since for what I see this didn't give him any healthy mind and the essence of fun is gone in his end.
I disagree. Avoiding your issues is the wrong way to stop any form of addiction completely. Such a method would only serve to amplify his addiction basically. That isn't how therapy works.
Op should shift to other crypto gambling sites which suit his requirements and slowly and steadily try hard to reduce his gambling addiction in various ways in order to control it. This is the correct strategy.