Holdem, a wolf Beastfallen, began life as a human knight who renounced his noble heritage following a scandalous affair. To erase his royal past, he forged a pact with Sorena, a famed Mooncaller Witch, magically transforming into a Beastfallen. He remained secluded with her until her execution, thereafter upholding his oath by becoming the sworn guardian of her granddaughter, Albus.

His timber wolf form boasts an athletic build, with fur shifting across adaptations: pristine white in the light novel, anime-depicted grey featuring a magically shaved crown as punishment, and a decade later, restored white fur framing a softer face. These transformations mirror both time’s passage and the scars of his choices, particularly the disciplinary magic inflicted by Zero.

Once marked by arrogance and mischievous confidence, Holdem gradually unveils profound loyalty and compassion. Silent affection grows for Albus, while his bond with Mercenary, a fellow Beastfallen, deepens into brotherhood—a testament to mutual respect forged through their shared beast-human duality.

As Albus’s steadfast protector, he honors his vow to Sorena amidst witch persecution and church-orchestrated hunts. His knightly past resurfaces through masterful swordsmanship and tactical prowess, weaponized against adversaries clinging to the Church’s oppressive legacy.

Holdem’s journey evolves from self-exiled solitude to active defiance, striving to sustain fragile peace among witches, humans, and Beastfallen. Alliances with figures like Zero and Mercenary anchor him within a broader community, reconciling his renegade nobility with the mantle of guardian and ally.