C160 Cast the forbidden art, summon the "evil spirit"

His skin was red and stiff from the cold, and his long sleeves were better than nothing. The frost had moistened his hair, and his eyelashes, and his fine hairs were visible under a layer of frost. His body was numb from the cold.

His gaze was faintly discernible as he stared at the only light in the small window at the top of the building