How to get unlimited life in Royal Match?

I'm curious, how does one achieve the elusive goal of obtaining unlimited life in Royal Match? Is there a secret code or a hidden trick that players have discovered? I've heard rumors of using certain strategies or exploiting game mechanics, but I'm not sure if they're legitimate or just myths. Could you shed some light on this matter and perhaps offer some tips or insights for those of us who are striving to reach this seemingly unattainable milestone?