Old page, for reference until I am done making the new page:

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Technically, therianthropy is a disease, a bacteria created by the Father of Pestilence, that becomes part of the cells of a living thing & gives it powers & weaknesses. It can be spread through the bite of a therianthrope, but most races are resistant or immune--very few can have true therianthropy. True therianthropy is the condition where the afflicted can change into animal & animalman shapes & is affected into madness by the full moons, & has a weakness to silver.

When most non-humans are infected by the disease, they simply go mad upon the full moon. This is the exact definition of a lunatic.

Given that there are 3 moons on Shem, each therianthrope has a different lunar cycle they follow. The moon that affects them is the one that was full first after they were born/infected.

1. Subraces:

• Wererat (pestilence) (arourianthrope)
• Werebear (war) (arctanthrope)
• Werevulture (famine) (gypathrope)
• Werewolf (moon) (lycanthrope)
• Wereboar (hatred) (kaprothrope)
• Werefox (dream) (alepothrope)
• Wereraven (lesser mana) (korakithrope)
• Werespider (darkness) (arachnothrope)
• Werebat (chaos) (ropalothrope)
• Werelynx (silence) (lynkathrope)
• Weretiger (fire) (tigrithrope)
• Werejaguar (fauna) (iaguathrope)
• Wereviper (nightmare) (ochiathrope)
• Werehyena (celebration) (yainathrope)

2. Who can get it:

Completely susceptible races include:

• Humans
• All forms of psionist (who lose their mental abilities), except irritokineticists
• Wild talents, except azure talents
• Tythes
• Wathites
• The Gysylltiad (losing their connective powers and ending the chain)
• Baurunians (losing their spectral shadows), Skyelings, Maradacians, Tarcenes (all losing their powers)
• All halflings and pseudohalflings, who lose their special powers
• Doppelgangers, who get it from consumption or normal ways, and lose their powers
• Nymphs and lamias, who become normal looking
• Muses, who lose their powers
• Islanders, who lose their powers
• The Brannish, who lose their powers

3. Partial affliction:

On the full moon, partially afflicted individuals simply go mad. These races include: all forms of ka'ar, azure talents, shapeshifters, most animalmen (save those listed below), trolls, goblins, gigans, ogres, cyclopes, asterians, dwarves, gnomes, elves, and akka.

4. Immune:

These races can't get therianthropy: irritokineticists, all forms of empath, hyperfauna, lunarians, shemir, thaumar, watcher, cephalans, oculars, athaks, dragons, gondals, hivers, derstroyers, pusarans, faeries, dryads, vox, living souls, valkyries, brightanes, judges, and all elementals.

5. Special cases:

• Nylethis can get korakithropy or gypathropy.
• Greater ticks and aqrabuamelas can get arachnothropy.
• Caninoids can get lycanthropy or alepathropy.
• Felinoids can get iaguathropy or lynkathropy.
• Minotaurs can get kaprothropy.
• Carnivoids can get arctanthropy or yainathropy.
• Rodentoids and pseudorodentoids can get arourianthropy or ropalothropy.
• Ophidoids can get ochiathropy.
• Avians, nightingales, and harpies can get gypathropy or korakithropy.
• Talking animals can get therianthropy equivalent to their species, if it exists.
• Yetis can get arctanthropy.
• Gargoyles can get ropalothropy.
• Archii get it only if their story calls for it.
• Dreams do not get it, but might exhibit it as part of their being.
• Cocidians can get kaprothropy.