1) Department of Belated Realmslore Once More! Solaris Wesson @SolarisWesson @TheEdVerse The game I am running is coming to a close and my party is about to find the door that the Primordial Ubtao locked Dendar the Night Serpent behind. Can you provide a better description of...

Jun 25, 2026 · 1:32 AM UTC

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2) ...that door? The books I’ve read simply say "gargantuan iron door" My response: Envisage a double door, not a single door, two side-by-side panels forty feet wide and ninety feet high. The hinges are hidden “behind” the door and their turning parts concealed... #realmslore
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3) ..behind iron flanges that run from top to bottom of both doors, and along the top. (Obviously, the doors open inwards). The left-hand door (from the POV of someone outside, standing facing the doors) has a projecting flange that overlaps the join between the two.. #realmslore
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4) ..doors, preventing anything but a little light and air from seeping through. The doors are heavy (eight inches thick) but counterweighted so someone pushing on them doesn’t have to move the entire weight of a panel. Their outsides are smooth and featureless, ... #realmslore
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5) ..each panel being “faced” with an unbroken sheet of iron. The doors have been treated with permanent everbright enchantments (they won’t rust, even at the touch of a rust monster or ravening spell), and they have been magically treated to reflect back all heat... #realmslore
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6) ..magic. The doors have no visible locks. They are set into a wall that is featureless, opaque white, and harder than adamantium, that is actually a forcewall that can be modified regularly by calling on two enchantments. If a creature places the right rune... #realmslore
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7) ..(graven on iron) against any surface of the door and says “Vraith,” the pins of force that hold the panels in place by projecting down into them from the surrounding “floor” and “ceiling” of the forcewall either extend (locking the panels in place) or retract... #realmslore
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8) ..(unlocking them). If a creature places the correct rune (graven on iron, and not the same as the pin-moving rune) against any surface of the door and says “Ooroom,” the bars of force that project horizontally across the inner surfaces of both panels, holding... #realmslore
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9) ..them closed, either project or retract, depending on what position they’re in before the rune and command word are applied. The forcewall in which the doors are set is the flat front surface of a very large ovoid prison of triple-walled force barriers (with... #realmslore
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10) ..acid filling the voids between the walls) that was prepared by certain primordials (identities now forgotten to non-primordials) long, long ago to store a menagerie of beasts so individual primordials could take some from this “pen” to “seed” areas of land... #realmslore
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11) ..they were designing to be “their” demesnes (territories ruled by this or that primordial). Worry not if you described the doors differently. Elminster reports that enchantments on the doors can make them appear differently at random times, or to specific... #realmslore
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12) ..creatures approaching them. He doesn’t know why, or what appearances correspond to particular creatures or times. Dendar is apparently still within the prison, which is large enough to be its own world with cycles of life, weather, and food chains of living creatures.
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What does it take to create doors that fill such a role, where they lead into either sealed demiplanes or a preexisting plane, such as the Lower or Higher Planes, or even the Fugue Plane, and allow access regardless of the ruling deity's (Kelemvor's in this case) permission?
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