Anarchic

Anarchic
An Anarchic weapon is chaotically aligned and infused with the power of chaos. It makes the weapon chaos-aligned and this bypasses the corresponding damage reduction. It deals an extra 2d6 points of damage againts all Lawful alignments.

ie.
 * Lawful Good
 * Lawful Neutral
 * Lawful Evil

See the list of weapon enhancements to find more about the various other aligment effects.