• Adds a chance when attacking of Poisoning and Deadly Poisoning your enemy, at a rate of 0.1% and 0.05% per refine respectively
  When attacking, you have a 0.7% chance of** decreasing the amount of healing done upon your opponent at a rate of -5%**, which decreases further with refine
  Decreases resistance to Holy elemental attacks at a rate of 0.5% per refine
  Decreases Atk by -2 per refine

Refer to the bold text above.
- currently bugged, it does the opposite effect which is increasing not decreasing opponent amount of heal.