Xavour, the Plague Bringer

Suddenly, on the distant horizon, a swirling mass of dark, dense fog materialized, coiling ominously in the air.

Hilda's focus remained unwavering as she continued to channel her powers into the arrays. The ancient symbols beneath her glowed even brighter, resonating with the magical energy she harnessed. 

The bell tower became a focal point of radiant brilliance, a beacon cutting through the oppressive darkness that had shrouded the guild.

With a final surge of power, Hilda's hands descended, completing the intricate motions of her spell. The burst of light began to subside, but its effects lingered. The fog, now transformed and subdued, revealed a clearer path ahead. 

The players' gazes fixed on the Bell Tower, and felt both anticipation and nervousness for the arrival of the final boss. They prepared themselves for the challenges that awaited beyond the dissipating fog.