"Poltergeist?"
Yumi and Casper were confused upon hearing that term. What was that?
But Shinjin looked almost afraid. A grim expression dawned on him and he was scanning around the area as if trying to find the source of the cold aura.
Yumi wrote on the wall. "What's a Poltergeist?" she asked.
"A Poltergeist is also a type of a spirit," he explained, still checking the walls. "But very different from traditional ghosts. They're created when there's a large accumulation of bad energy."
When the ghosts were silent, he sighed and explained.
