Ghost Hunters and The Mud-Dripping Monster!

This is the fourth installment in the Ghosthunters series. In this adventure, young ghosthunter-in-training Tom faces his most daunting challenge yet: to earn his Third Ghosthunting Diploma, he must capture a Deadly Messenger, one of the most formidable types of ghosts. His quest leads him to the misty village of Bogpool, which is mysteriously sinking into the mud. There, Tom confronts a mud-dripping minotaur demon who has assembled a ghoul army with ambitions of world domination.