Here are some things that could happen if you break one or more of the bonus terms and conditions:
You may not be eligible to withdraw your winnings.
The online casino may reserve the right to refuse reinstatement of winnings earned while playing for or on bonus.
Your bets may not qualify toward your wagering requirements if bets were made without risk, such as betting both red and black on roulette.
The online casino may take away your bonus and earned winnings if they find that you’re having the bonus provides you any unfair advantages.
The online casino may close your account and erase your balance if you cheat.