Vile Ki Strike (Vile)

The character can focus evil power into his unarmed strike.

(Book of Vile Darkness, p. 50)  
Originally posted on D&Dtools

• Prerequisite – Improved Unarmed Strike, Charisma 15,
• Benefit – Each time the character deals damage with his unarmed strike, he deals 1 additional point of vile damage.