From publisher blurb:
Level-6 D&D 5e + Shadowdark Adventure
The adventure in the House of Krampus occurs in the snowbound village of Hearthglen. Villagers have gone missing, and the local guard is powerless against Krampus and the Dark Mistletoe cult. A mysterious house has appeared in the depths of the forest, the House of Krampus. Beneath the house lies a twisting dungeon where Krampus’ cursed heart beats, guarded by Lindlen Zikara and his loyal fanatics.
The adventurers must investigate the cursed house, battle through cultists and dark magic, and put an end to the terror gripping Hearthglen before the town’s holiday is drowned in fear. Only by destroying the dark growth anchoring Krampus can the characters banish its devilish presence back from whence it came; if they survive the confrontation with this devil...