Unfortunately seems like that site also bans players when they start to withdrawal too much
My account is suspended for no given reason and they have not answered my e-mail.
My rank was about top 300 and had about 100 referrals, what a waste.
And now when I cant play myself there anymore here is my trick how to cash out quite frequently if have time and interest to play:
1. Choose paladin as class and now you have 5 minutes safety time without losing attack power.
2. Collect stamina, but wait 15 minutes before using it so you can collect stamina again right after used first claim.
3. Attack BlackKnight 20 times. Cash out if you have 10000+ satoshis or if less then deposit to bank or do upgrades if have more than bank limit.
4. Repeat steps 2-3 every two hours (withdrawals were available every two hours. If play more than every two hours use extra satoshis to upgrades)
Free is free, but wasting time is also wasting time.