Kingdom Guardians Shadows of Demons is the sequel to The Silver Key. Five months had passed since the events of The Silver Key. Elijah Khoda and his friends return to their ordinary lives as teenagers, keeping their powers in secret. Then Ohuran calls them back to Kingdom Planet where they were chosen for what they thought was going to be a simple task. But then things don’t go exactly as planned as their journey becomes more difficult. They soon discover a new enemy, a powerful demon lord name Sifierus, who is looking to cast a shadow among the world. Just like every other warrior, the guardians could only do what they can; especially during their time in darkness where they only have each other, their will, and their powers, to which there is more to discover about them as they try to stop the demon lord and protect the people of the outer world. Meanwhile, Sabrina Clarin goes into an emotional state as she deals with depression from home and her journey as a guardian. She is desperate for answers that could lead to the life she wishes for while she tries to help her friends at the same time.