Needs review
Source: Rokugan Campaign Setting

Description: You are capable of entering a meditative trance in which you purge contaminants from your body.

Prerequisites:

Required for: Eyes on the Wind, Harmony of the Body

You may spend a Void Point to gain a +10 void bonus on any save vs. poison or disease. If you enter a meditative trance for four hours per day for a week, and make a successful Concentration check each day (DC 25), you may cure yourself or 1d6 points of Shadow Points or Shadowlands Taint. (This will allow a character to remove his last point of Taint.)