Ice Queendom (S01E04)

Ruby glides down the snowy terrain on her snowboard, determined to save Weiss, who is under the influence of the Grimm known as "Nightmare." This sinister entity has crafted a dream world that mirrors Weiss's inner turmoil. Teaming up with Shion, an expert Huntsman familiar with the "Nightmare," Ruby infiltrates Weiss's dreamscape, aiming to reach the core where the "Nightmare" has taken hold. Those ensnared by its power find themselves trapped in a horrifying dream, stripped of their Aura and vitality. With Weiss in a perilous state, Ruby is desperate to rescue her, but the twisted landscape of Weiss's mind obstructs her path.