Book of Donmon Teith

ONE, TWO, THREE, FOUR! Steven and the Crystal Gems embark on an epic musical journey after the Harmony Core, an ancient Diamond Authority artifact, accidentally

ONE, TWO, THREE, FOUR! Steven and the Crystal Gems embark on an epic musical journey after the Harmony Core, an ancient Diamond Authority artifact, accidentally

As Steven helps Sadie cope with quitting her job at the Big Donut and losing Lars, Steven and the Gems must work together to deactivate an old Diamond Authority

"Steven and the Crystal Gems embark on an epic musical journey. After the Harmony Core, an ancient Diamond Authority artifact, accidentally activates on Earth,