Turning off the Notifications on any **iOS device** is very easy.
Click on Settings and follow these steps:
1. Click on Notification Center.
2. Scroll down until the list of Apps appears, look for Monster Legends and click on it.
3. Set "Alert Style" to None and turn OFF "Badge App Icon" and "Sounds"; then scroll down.
4. Turn OFF the options of "Show in Notification Center" and "Show on Lock Screen".