Spiritual Force
(Complete Psionic, page 60, DnD 3.5)
[Host]
Your mind blade is an expression of your inner spirit. Your forceful personality allows you to deal more damage with your blade.
Prerequisite
Any other host feat* mind blade class feature
Benefit
You can expend your psionic focus to add your Charisma bonus (if any) to the damage you deal with your mind blade. This effect lasts for 1 round.