Parry

A character using a melee weapon can deflect melee attacks. When attacked by an enemy with a melee weapon, a character will automatically try to both dodge and parry the attack. The higher the attacker's Weapon Skill characteristic score is, the higher the chance is that the attack will not be parried and the target will suffer damage. Similarly, the higher the attacker's Perception and Agility are, the easier it is for them to damage the target in spite of their attempt to dodge.
The parry chance is equal to (20 + target's Weapon Skill + parry bonuses − (attacker's Weapon Skill + parry reduction))%, plus any potential bonuses from melee superiority.
The chance to dodge a melee attack is equal to (30 + target's Agility − attacker's dodge reduction)%, modified by any dodge or dodge reduction bonuses or penalties.