Special Magical Properties

Crushing:  Increase the enchanted weapon's Critical range by one stage.  +1 Bonus equivalent (Blunt weapons only)
Sure-Striking:  Bypass 5 points of a target's Damage Reduction regardless of the requirements.  +1 Bonus equivalent (Weapons only)
Powerful Critical:  Increases the Critical Damage multiplier by one stage (ie x2 becomes x3). +1 Bonus equivalent