The Blood Moon and A Manifestation of Absolute Evil

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Meanwhile, unaware of the Night Lord's arrival in Vostracane, Izroth descended the last step of the spiral staircase. He soon realized the further he moved away from the top step, the thicker the foul aura became. 

When he reached the bottom step, there was a purplish-black miasma that permeated the room's environment. This miasma was the source of the sinister energy Izroth perceived.

Izroth was met with a simple wooden door. It looked as if one could kick the door lightly, and it would fall off its rusting hinges.

'Unlike the metal door at the entrance, this one contains no magic. It's just a plain wooden door. Yet, my Energy Vision Sense is unable to discern what's on the other side of it. Not to mention...'