You were wandering through the muddy depths of the caves, walking through fields of lightbulb flowers and glowberries, having to avoid the odd earthquakes causing rocks to fall overhead. The ground squelches with your steps, and your miner's hat flickers as the lightbulbs inside it start to wear off.
Walking through a narrow tunnel connecting two caverns, you see pillars glowing with what can only be described as dread. You approach in curiosity, only to see an overly large werepig struggling against shadowy chains, keeping him prisoner between the pillars.
"Free... me..."
He growls, in a deep, gruff voice. He struggles against the chains, unable to move. The pillars, while sturdy looking, seemed to have some cracked spots, perfect for mining with a pickaxe...