Those who traffic with demons find themselves sullied by the experience, their very souls stained by the corrupting influence of these foul beings. The experience destroys some, but those who have shown loyalty to the Void might make use of their inner darkness and manifest demonic traits by harnessing the evil in their hearts.

Called demon beasts, these despicable and, often, insane servants of the Shadow brutalize themselves in their bid to become more like the demons they serve. As their bodies become more and more contaminated, so too does their power until they almost become demons themselves.

Level 3 Demon Beast

Attributes. Increase two by 1
Characteristics. Health +4, Power +1, Corruption +1
Languages and Profession. You can speak, read, and write the Dark Tongue.
Magic You discover the Demonology and Transformation traditions. If you have already discovered one or both, you can learn a rank 1 or lower spell from either tradition.
Mark of Darkness You gain a random mark of darkness.
Demonic Transformation Whenever you assume a different form, the new form has demonic characteristics. While in that form, you gain the following benefits and drawbacks:

Level 6 Demon Beast

Characteristics. Health +4, Corruption +1
Magic You learn one spell.
Demonic Shadows When you cast a Demonology or Primal spell, you can use a triggered action to cause shadows to billow out from your body for 1 minute. The shadows spread out a number of yards equal to your Size from a point in your space and move with you, remaining centered on you. The shadows partially obscure their space.

Level 6 Master Demon Beast

Characteristics. Health +4, Power +1, Corruption +1
Magic You learn one spell.
Demonic Apotheosis Whenever you use your Demonic Transformation talent, your attacks deal 2d6 extra damage while you remain in your demonic form. However, when you would return to your normal form, you must make a Will challenge roll with 3 banes. On a failure, you gain 1 Insanity, do not return to your normal form, and you cannot try again for 1 round.