One Touch (Ex)
Source: Pathfinder Unchained, p. 18
As long as he has at least 1 point remaining in his ki pool, as a standard action, a monk with this power can make an unarmed strike against a foe as a touch attack. He adds 1/2 his monk level as a bonus on the damage roll. He can spend 1 ki point to double this bonus for that attack. A monk must be at least 12th level before selecting this ki power.