The TV show covers only a tiny fraction of the lore. The books explain why the world is the way it is (the Great Wars) and the ultimate fate of the Druid order.
Below is a blog post explaining the show's status and how you can still enjoy the existing seasons in multiple languages. The Shannara Chronicles: Why We Never Got to Season 12 For fans of Terry Brooks’ epic fantasy world, The Shannara Chronicles the shannara chronicles season 12 dual audio
The Shannara Chronicles stands out as a bold attempt to bring Terry Brooks’ sprawling epic fantasy to the small screen. Originally airing on MTV and later moving to Spike, the show blends high-fantasy tropes with a distinct YA (Young Adult) energy. The TV show covers only a tiny fraction of the lore
Retailers like Best Buy sell "The Complete Series" on DVD, which includes all 20 episodes from both seasons. Why the Show Ended The Shannara Chronicles: Why We Never Got to