Knife to the Soul

Type of Feat: Class
Prerequisites: Soulknife 13th
Specifics: Beginning at 13th level, when a soulknife executes a psychic strike, he can choose to substitute Intelligence, Wisdom or Charisma damage (his choice) for extra dice of damage. For each die of extra damage he gives up, he deals 1 point of damage to the ability score he chooses, A soulknife can combine extra dice of damage and ability damage in any combination, so a 19th-level soulknife could choose to strike for 3 points of Charisma damage and an extra 2d8 points of damage.
Use: Automatic when active, damage type selected from this radial