"Pendant" is a fantasy anime series that revolves around a mysterious artifact known as the Pendant, which holds immense power capable of altering the balance of the world. The story begins in the kingdom of Lystria, where a young blacksmith named Kael discovers the Pendant hidden within the ruins of an ancient temple. Unaware of its significance, Kael inadvertently activates its power, drawing the attention of powerful factions vying for control of the artifact.

The Pendant is revealed to be one of seven relics created by the ancient civilization of Eldoria, each imbued with unique abilities tied to the elements. Kael, now marked by the Pendant's energy, becomes a target for the Obsidian Order, a secretive organization seeking to gather all seven relics to resurrect their fallen god, Maltheris. Alongside Kael is Lyra, a skilled warrior and member of the Azure Guard, a group dedicated to protecting the relics from falling into the wrong hands. Together, they embark on a journey to uncover the truth behind the Pendant and prevent the Obsidian Order from achieving their goal.

As the story progresses, Kael and Lyra encounter other relic bearers, each with their own motivations and struggles. Among them is Riven, a rogue mage who wields the relic of fire, and Selene, a priestess bound to the relic of light. The group faces numerous challenges, including battles with the Obsidian Order's elite enforcers, political intrigue within Lystria, and the growing influence of Maltheris's corrupted energy. The narrative explores themes of destiny, sacrifice, and the consequences of wielding power, as Kael grapples with the burden of the Pendant and its connection to his own mysterious past.

The series builds toward a climactic confrontation in the ruins of Eldoria, where the true nature of the relics and their creators is revealed. Kael must make a pivotal choice: use the Pendant's power to seal Maltheris away forever or risk unleashing its full potential to save those he cares about. The story concludes with a resolution that ties together the fates of the characters and the relics, leaving room for potential future developments in the world of "Pendant."