Locked and Reinforced Door


 

The metal door leading to what is most likely a closet looks to have been reinforced.

Magical Trap

The door closes in a gateway that was accidentally opened in the closet.

The door has been reinforced with adamantite. It has AC 23 and 23 hp. A DC 23 Strength check is required to force it open. It also has a very complex tumbler lock that requires a DC 19 Dexterity check with thieves’ tools to open.

If the door is opened, it reveals the inside of the closet, which has been taken over by a sphere of blackness and cold that immediately extends 20 feet into the room. No light penetrates this blackness, and creatures within it are fully blinded. Soft whispers and slurping noises are heard from within.

The area is difficult terrain, and creatures that start their turn in the blackness take 2d6 cold damage. Any creature that ends its turn must make a DC 14 Dexterity saving throw or take 2d6 acid damage as something inside slithering around rub up against the creature.

A spell such as Detect Magic detects an aura of abjuration on the door. Once opened, this aura disappears, and an aura of conjuration is detected on the blackness.

A spell such as Dispel Magic cast onto the door with a successful DC 18 spellcasting ability check causes the door to stop containing the blackness, which spills out into the room. The blackness can be dispelled with a second Dispel Magic. Spells or effects that suppress magic effects of spell level 8 or above will cause the darkness to momentarily appear, before suppressed. If the blackness is already present, such effects will also suppress the blackness for the duration. However, if the door is suppressed, once the suppression effect ends, the blackness will no longer be contained, and will appear outside the door.

 

Categories: 5e, Dungeons and Dragons, magical | Tags: , | Leave a comment

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