Arms Law & Claw Law, 2nd Edition is the core rules weapons system for Iron Crown's original Rolemaster fantasy role-playing system. This second edition book combines the first edition versions of the two earlier works entitled "Arms Law" and "Claw Law". The Arms Law portion covered weapon attacks while the Claw Law portion covers animal attacks, martial art attacks, and inanimate object attacks such as those from thrown objects or a fall. The book contained detailed attack charts for 30 weapons and 12 natural weapons and charts and statistics for various critical strikes, fumbles, weapon conversions, maneuvers, animal statistics, armor and shield penalties, and similar text information.