You embark on a journey into the depths of the Underground Dungeon, accompanied by a hired healer. As you descend several meters below the surface to the fourth floor, the first three levels prove uneventful, with easily discernible traps and feeble undead foes. Continuing your path, an unexpected sharp object pierces your leg, causing you to drop to your knees on the grimy floor. "How pitiful," my voice breaks the silence.