The cults of the Prince of Slime are based in the Shadow Marches and are infamous for cultivating gibbering beasts. Kyrzin creates sentient slimes that can enter humanoid bodies. In some tales, these creatures control their hosts, while in others, they are parasites that burn their way out of the body when it’s time to strike.
Source: Rising from the Last War
Kyrzin is a prince of slime and ooze. It is said to lurk beneath the Shadow Marches, spreading terror throughout the swamps. Kyrzin has created all manner of oozes. Stories tell of sentient slimes, and of oozes that can enter human bodies. In some cases these slimes control the actions of their hosts; in others, they simply wait for the proper moment before boiling out of the victim, burning through flesh and bone.
Source: Player's Guide to Eberron, Eberron Campaign Guide
Slime, water, blood—fluids are the purest essence of life. We begin as a drop of liquid, and in the end we return to it. Drink the bounty of the Bile Lord. Heed the voice of the Lurker Within, for it’s already part of you. Follow our teachings, and after death, you’ll find eternal peace in the whispering choir.
The daelkyr Kyrzin deals in living liquids and foul fluids. It is infamous as the source of all oozes; some believe that there are living rivers of gray ooze and green slime in the depths of Khyber. Many cults revere gibbering mouthers and hear guiding words in the ravings of these beasts; such cults refer to Kyrzin as the Regent of Whispers. While oozes play a major role, its cults can be associated with liquid in any form. One cult might venerate an ancient well, while others say that the local lake holds the ghosts of their ancestors. Any delusion associated with liquids could be tied to Kyrzin.
Kyrzin’s traditional cults are strongly established in the Shadow Marches, but Whisperers keep to themselves. Marchers refer to the common cold as “the drip” or the “Bile Lord’s kiss;” and stories say that Kyrzin has sown giant oozes in the rivers of the Marches. While many Marchers know stories of the Prince of Slime, it’s typically seen as a dangerous but largely neutral force. Mold plays an important part in Marcher medicine, and the Bile Lord is seen as a force that can cause disease when angered, or help to prevent it. So most prefer to ignore and avoid Kyrzin, and Whisperers are largely left alone.
Forces. In Eberron, Kyrzin replaces Juiblex as the source of black puddings, gray oozes, gibbering mouthers, mimics, and similar creatures, any of which could be tied to the Prince of Slime. It can also create creatures similar to living spells, though Kyrzin is not responsible for the living spells that roam the Mournland. Its most infamous creations are parasitic oozes, a form of black pudding that can enter a creature’s body. More intelligent than their larger kin, these oozes can communicate telepathically with their hosts. An adventurer who kills a weak cultist may have an unpleasant surprise when a deadly parasitic ooze emerges from the corpse! Victims unwillingly bonded to a parasitic slime must find a way to coexist until they can be freed from the creature (greater restoration will expel it). If angered, the ooze can eat its way out of the victim, which is usually fatal. Kyrzin is also served by dolgaunts and dolgrims; those created by the Prince of Slime have slimy, translucent skin.
Gifts. Kyrzin’s cults are well stocked with potions. While they may have standard effects, Kyrzin’s potions are often disturbing to look at and may crawl about, ooze-like, if spilled. Kyrzin’s symbionts often mimic the effects of magical garments, though they are fluid rather than fabric; Kyrzin’s cloak of elvenkind is an amorphous shroud that shifts to match its surroundings.
Character Ideas. An artificer from an old Whisperer family could have an unorthodox approach to alchemy, and their homunculus could be a living ooze. A Great Old One warlock could specialize in spells dealing with fluids or confusing whispers; even eldritch blast could be flavored as flinging globs of mystically charged slime.
Story Ideas. A cult could do something unusual to the water supply of a town, whether introducing poisons or hallucinogens, or transforming the water into living ooze. Kyrzin’s parasitic oozes could spread throughout a town or take over a particular organization—but what do they actually want? Friends of the party could be consumed by a gibbering mouther—but could they still be alive within the slime?
Source: Exploring Eberron
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