A strange mask found by Tybalt at the base of a dead tree through a premonition from Yargoth. If worn, the user immediately feels angry and aggressive. It takes 6d6 weeks to attune to it.
Attuned creatures can spend 2 actions to transform into a Unknown for 2d6 rounds and remain in this form if they die. Once the mask has been used, it makes 2d6 months to be able to use it again.