1. Every once a week, <My Points> reset to zero. 

2. If, my current My Points are below the Demotion Points (in the demotion zone), my tier will be demoted by one level from my current tier. 

3. However, if the shield icon next to the tier is green, it indicates that I won't be demoted even if My Points are below the Demotion Points.

4. For more details, you can refer to the High Roller Challenge section under "Benefits/Guide."