I said no!

Vitality’s Rebuke [reaction] Feat 10

• Concentrate Mystic
  Trigger: creature within 30 of you casts a spell
  Frequency: Twice per day

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Life protects via negation. You use the ability of counterspell. You do not have to have the spell prepared, but you must spend hit points from your vitality pool equal to twice the spells level and must attempt all checks associated with the feat. You lose the hit points regardless of success.

Thoughts?