You master the ultra heavy armors.

Prerequisites: BAB +1, Constitution 15+, Combat Expertise, Armor Focus(Any Heavy Armor)

Benefit: You must wield an heavy armor which only permits one or less dexterity modifier while in colossus style.

While in colossus style, you receive 1 dr per 2 points of combat expertise.

Special: You cannot activate styles out of combat. Activating a style is a swift action and you can have solely one active style at a time.