Brave the icy wilds of Irrisen – if you dare! It has been a century since the immortal witch Baba Yaga last visited the world, and the hour draws nigh for her return. But when she fails to appear in the frozen realm of Irrisen to usher in its newest ruler, pockets of winter begin to grow throughout the Inner Sea region. After 1,400 years of perpetual winter, the icy curse of Irrisen is spreading! Will the Reign of Winter engulf the world? The Reign of Winter Monsters Encounter Pack features two exclusive miniatures inspired by the Reign of Winter Adventure Path: the many-legged Svathurim, and the fearsome Frost Worm!