: Your energy bar depletes over time. Sleeping in an apartment bed is one of the fastest ways to gain XP and level up, which rewards you with 300 diamonds per level.
It's important to know that using automated scripts or "exploits" in Royale High is a violation of and can lead to a permanent account ban. Royale High | New Gem Farm Script
: Attending classes and completing mini-games in the Royale High school settings remains a consistent way to earn XP. One-Time Large Rewards : Your energy bar depletes over time