"Goblin Slayer: Goblin's Crown" is a feature-length anime film that serves as a continuation of the "Goblin Slayer" series. The narrative centers on the titular Goblin Slayer, a stoic and highly skilled adventurer dedicated to eradicating goblins, and his party, which includes Priestess, High Elf Archer, Dwarf Shaman, and Lizard Priest. The story begins with the group accepting a request to investigate a remote snowy village where goblins have been causing havoc. Upon arrival, they discover that the goblins have abducted several villagers, including a young noblewoman named Noble Fencer, who had previously attempted to lead a group of adventurers to eliminate the goblin threat but failed.

The party ventures into the treacherous, snow-covered mountains to track down the goblins' lair. Along the way, they face harsh environmental conditions and increasingly dangerous goblin tactics, including the presence of a powerful goblin lord who commands a horde of goblins. The goblin lord is revealed to be a formidable adversary, utilizing advanced strategies and weaponry, such as enchanted armor and a magical sword, which pose a significant challenge to the party.

As the group delves deeper into the goblin-infested territory, they uncover the grim fate of Noble Fencer's former companions, who were captured and subjected to brutal treatment by the goblins. This discovery reinforces Goblin Slayer's unwavering resolve to exterminate the goblins and highlights the recurring theme of the series: the relentless and often underestimated threat posed by goblins. The party eventually confronts the goblin lord in a climactic battle, where teamwork and strategic planning are crucial to overcoming the enemy.

The film maintains the dark and gritty tone of the series, emphasizing the brutal realities of adventuring and the moral complexities of Goblin Slayer's single-minded mission. Character dynamics within the party are further explored, particularly the growing bond between Goblin Slayer and Priestess, as well as the contrasting perspectives of the other party members on their mission. The narrative concludes with the successful rescue of Noble Fencer and the villagers, though the victory comes at a cost, underscoring the persistent danger of goblins and the ongoing nature of Goblin Slayer's quest.