After rescuing Horn, Diablo learns of Horn's secret. Meanwhile, Shera, Rem, and Lumachina make progress through the dungeon and reach the twelfth underground floor.

When Rem opens the door, they find the man pursuing Lumachina - Gewalt. To make things worse, a Large Black Dragon appears with a terrifying blast of wind!
But if they run into the last guardian
Tuttavia, se loro tre da sole
No entanto, o último
guardião do 12º piso...
Но если столкнутся 
со стражем двенадцатого…