### The Living Tar

The Living Tar is one of the most intimidating sights seen in the Beneath. It's not hard to see why. Not because it has a very thick outer skin, held together by a very strong form of surface tension (indeed, unless it's stabbed on a flat part where you can get a sword in far enough, it won't even break). Not because it can grow up and over walls, covering them completely in blue goop (the only way to uncover them being to plough into it). Not because it forms rubbery, stable globules of tar that block up vital passageways that won't be broken by the strongest thrust. Not even because it can split into completely separate, sentient, savage entities called tar babies when there isn't enough surface tension left to hold solid chunks of tar together. It's because everything the tar does, even when it only looks like a slightly transparent glob that just visibly pulses like an infernal blood vein, seems to be infused with malice.

What's worse - sometimes a Tar Mother, which only ever appears as a pair of bulging eyes glaring out of their lair, will reside deep within the tar. She isn't content until the entire cavern is covered with tar and her babies. Occasionally she will close her eyes, concentrate, and will the tar to grow outwards. She can even coax tar that's been separated from the main body to grow until it rejoins the rest of the tar.

Monster Reference
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