Got some feed back on this one and I think it helped this!

Sudden Strike Feat 2

General Skill

Prerequisites trained in Athletics or Warfare Lore

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You snap a quick hit at to an enemy before they strike you.

Sudden Strike

Reaction

Trigger A creature within your reach starts it turn or move adjacent to you.

The target must succeed at a Reflex save against your class DC or take damage equal to your Strenght modifier plus 1/4 your level ( Strenght modifier plus 1/2 your level on a critical failure) .

Thoughts?