A brass wristband containing a single orb. When worn, the Orb glows faintly, and it's glow is transposed into grooves upon the armband. 

While wearing this wristband, you gain resistance to necrotic damage. 

Notes: The wristband can be removed after removing the orb.  The damage resisted is specified by the orb placed within the armband. (in this case, black for necrotic resistance., Warding, Wristwear