![A bug, semi-transparent, about as foot long, with the body of a wood louse and the claws of a deathwatch scorpion.](https://i0.wp.com/shoggoth.net/wp-content/uploads/2022/10/Transdimensional-Mites-scaled.jpg?resize=150%2C150&ssl=1)
These tiny creatures are not of this, or any world. Rather, they dwell in spaces in-between worlds and are attracted to weak points where two dimensions overlap, especially gates created by mythos magic. Here they nibble at the edges of trans-dimensional passages, weakening them, making them less reliable, having them fail or transport the traveler to a random location on a critically failed luck roll. If left unchecked trans-dimensional can destroy a gate by having it collapse in upon itself, a process that takes about a decade of unchecked infestation.
Trans-dimensional mites appear as an large Common Woodlouse, about the size of a tarantula, with a pair of long thin pincers at the front of their bodies, similar to those of a Deathstalker scorpion. Beneath their bodies are a pair of long, spring jointed legs allowing the creatures to jump up to 12 feet with a good degree of accuracy (50%). A small gate can support an infestation of perhaps a dozen individuals, while larger ones could support up to a hundred.
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