Diamond Resilience (Ex)
Source: Pathfinder Unchained, p. 16
By spending 1 ki point as a swift action, the monk gains DR 2/—. At 16th level, the damage reduction increases to 4/—. At 19th level, it increases to DR 6/—. This DR lasts for 1 minute. A monk must be at least 12th level before selecting this ki power.