The NecroMech Dossier Core Manual April 2018 - Page 172

Grafts - Advantages and Penalties Teeth and claw grafts allow a NecroMech to make a body weaponry physical attack once per round for d10 damage. Grafts provide immunity to the life draining effects of Ash. Visible grafts confer a -20% penalty per graft to Action checks when using Disguise, Seduction, Deception, and Diplomacy skills. Conversely, they provide a +20% bonus per graft to Action checks for Interrogation. Page 172