While powerful in their base form, a Kōkotsumoji can be pushed further; often causing a change in its form. This change often cloaks around the users body in the form of armor which is referred to as a Full Armament. Using the Full Armament synchs the user with their Kōkotsumoji, increasing the output of the weapon and the power of the user as well. However, while boosting the power of both the Full Armament is not without its downside. Extended use of it puts strain on the users body can often renders them weak for sometime after its use. While unique to each user, they can be passed from parent and child; due to this they are often considered to be similar to a kekkei genkai.