Lycanthropy

Lycanthropy is a curse that can transform humanoids into beasts. A humanoid afflicted with this curse is called a lycanthrope.

Appearance
In their humanoid and animal forms, lycanthropes appear no different from normal. In their hybrid form they have their original shape with head and other features of the animal shape they are cursed with. Known types of lycanthrope include werewolves, werebears, weretigers, wereboars, and wererats.

History
The Claret Order of the Lycan has their hidden base in the Cyrengreen Forest, where they train outcasts to manage and use their lycanthropy.

The adventure The Unlucky Few in the Explorer's Guide to Wildemount involves a group of soldiers who have deserted to the Cyrios Mountains after becoming afflicted with lycanthropy.

Werewolves

 * Ukurat and most of the Fendir
 * Aurra_Lorelei_werewolf.png Lorelei family
 * Alfarr Lorelei
 * Grenya Lorelei
 * Geneviève Lorelei
 * Katerine Lorelei
 * Haldor Lorelei
 * Aurra Lorelei
 * Lucius Lorelei
 * Portia Lorelei
 * Lawrence Lorelei
 * Benicio Lorelei
 * The Brotherhood of the Moon in the Cyrengreen Forest
 * Lilyana Cayd, a blood hunter of the Claret Orders

Werebears

 * Tova-WereBear-by-Kit-Buss.jpg Tova, a dwarven blood hunter who fought alongside Vox Machina in the City of Dis
 * Jaina
 * Pono
 * Morgo Delwur, a dwarven explorer operating out of Syrinlya
 * The adventure Bear of the White River and an accompanying quote in the Critical Role: Tal'Dorei Campaign Setting imply that werebears live near the Mooren River Run in the Parchwood Timberlands.