Mudrock (Silent Night) is the winter limited variant of Mudrock from Arknights, dressed in a festive Silent Night skin. A powerful **Defender** operator of the Sarkaz race from the Ursus Empire, she wields a massive stone sword and controls rock-based Arts. Once a soldier in the Reunion Movement, she now operates as a wandering mercenary with her loyal wolf pack. Despite her imposing appearance and tragic past marked by war and loss, she harbors a gentle side, finding solace in simple pleasures like baking bread and caring for her companions. Her Silent Night attire features elegant holiday motifs, enhancing her steadfast guardian theme.