Way of the Ghost Walker

Ghost Mark At 3rd level, you can place a Ghost Mark on a creature. On a hit, you can expend 1 ki point and designate this creature as your quarry. The following benefits last for one minute, or until you no longer have an enemy creature designated as your quarry. Once per turn on a hit, you can deal additional necrotic or radiant damage to your quarry equal to your Wisdom modifier. . If you drop your quarry to 0 hp while this effect is active, you can move the Ghost Mark to another creature if you hit it with an attack before the start of your next turn. . You can sense the direction and distance of your quarry while it is on the same plane of existence as you.
  Resolute Will At 3rd level, you can add 1d4 to any Insight or Intimidation skill check you make. In addition, at the end of your turn while you are at O hit points, you can regain an amount of hit points equal to your Constitution modifier multiplied by the amount of ki points expended. Once you use this feature, you must finish a short or long rest before you can use it again. Ghost Arts At 6th level, you can cast the following spells, without needing material components: You can expend 2 ki points to cast: compelled duel You can expend 3 ki points to cast: misty step At 11th level, your Ghost Arts improve. . You can expend 4 ki points to cast: bestow curse You can expend 5 ki points to cast: locate creature
  Cold Iron Soul At 17th level, Your Constitution and Wisdom scores increase by 2 Your maximum for those scores is now 22 In addition, you can use your Stillness of Mind feature as a bonus action.