You inflict a wound with a natural attack (striker, bite, or claws) that just bleeds and bleeds. Any HT roll to stop the bleeding of a wound caused by this attack is at a penalty to the HT roll equal to the level of the Anticoagulant advantage. It does not affect wounds caused by other attacks.
To add anticoagulant to an attack other than the natural attacks described above, this is a +50% enhancement rather than an advantage. It can only be added to piercing, impaling, cutting, or burning attacks.
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