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Awake in Alucinar: Limbo Overlaps

The Plane of Dreams is a dimension that exists on the boundaries of many others—not just the Material Plane but also Limbo, the Plane of Shadow, and the Astral Plane as well. While this interactivity is what sustains Alucinar, there are areas where two or more dimensions interact and interfere with magic, change the nature of gravity, or even alter the flow of time.

Proximity (and thus accessibility) to so many different dimensions has made the Dreaming Island a locale sought after by arcane theorists and magical researchers since its discovery. Reaching the Plane of Dreams is not as simple as a slumber, however; only certain creatures (those native to the realm) are able to leave it, and otherwise it is accessible only through very specific locales or the use of rare substances found only in Aventyr.

limbo overlapThough they can be dangerous and unpredictable, locating a dimensional overlap on the Plane of Dreams is a simple endeavor for anyone adept with arcane or divine energies.The convergence of planes is extremely easy to see; a detect magic spell and Perception check (DC 1 + 1 per 1,000 ft. from the overlap) allows a creature to read the ebb and flow of power in Alucinar.

Limbo Overlaps
Most of the time, the overlap into the plane of Limbo is stable. Where these overlaps occur, the area around the overlap seems to be slightly unstable. Visual effects may swirl slightly, and other sensory effects may seem subtly altered. However, in the blink of an eye, the overlap area can destabilize. These overlaps can be found anywhere on the island, but seem to be attracted to chaos magic use.

  • Within a limbo overlap, Perception based checks are at -2 due to sensory abnormalities.
  • There is a 10% chance each hour that a limbo overlap becomes unstable. Any chaos-based magical effects increase this to 25% and trigger an immediate check. When this occurs, Perception based checks within 500 ft. of the limbo boundary are made at a -4 penalty and a creature may make a DC 10 Will save each turn to grant themselves access to subjective directional gravity for 1 minute, though they are only able to “fall” at 1/5th the normal rate (30 ft. in the first round, 60 ft. every round thereafter).
  • There is a 5% chance each hour that a creature in a limbo overlap experiences wildly erratic time flow, their body aging one year in the span of an hour (aging effects accrued while in a limbo overlap do not take effect until a creature returns to its native plane).
  • Spells and spell-like abilities have a 100% chance to be affected by the Wild Magic Effects Table.
  • Any type of chaotic outsider can appear in a limbo overlap.
  • The terrain changes randomly every 1d10 rounds while in a limbo overlap. The change is completely random—it can go from desert to alpine, or anything in between with no rhyme or reason.

[Submitted by Rory Toma!]

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