Ironskin Chant( Complete Adventurer, p. 113)
You can channel the power of your bardic music to enable yourself to ignore minor injuries.
Concentration 12 ranks, Perform 12 ranks, Bardic music,
As a swift action that does not provoke attacks of opportunity, you can expend one daily use of your bardic music ability to provide damage reduction of 5/-- to yourself or to one ally within 30 feet who can hear you until the start of your next turn. This feat does not function in an area of magical silence.