The term "Knightmare", though accurate, has
become an outdated term for large mechanized suits as many variations
and styles of such weapons have popped up all throughout the world. In
this day and age, they are referred to as Autonomous Reinforced
Mechanical Skeleton, or ARMS for short. It is said that many
classes exist in the world, some of them varying greatly from
Brittannia's own style and many unseen for centuries. Currently, all
known ARMS are classified under the following labels:
Class G: The average height for a class G is about 30 meters. Very tall, very powerful, rather slow moving ARMS that are typically used exclusively by world governments.
Class C:Approximately 5 meters in height. Mid height, mobile and potent, Brittania's own Knightmare Frames are the most well known members of this class. These kinds of suits are the very same Academy students are trained in and are known to litter the waste lands in varying levels of working status.
Class Z:Size varies with the species. A typical wasteland dwelling lion type will be 3-4 meters tall.
Also called "wild A.R.M.S.", these mechs require no pilots and retain
the form of wild animals. They require no pilots and it is unknown
whether it is possible to pilot a Class Z as any human who has
attempted has failed and been crushed. During the day they roam the
wastelands and retreat into the vast network of caverns which bely the
surface world at night. It has been theorized that they are solar
powered as there is no other conceivable power source for them to feed
off of.
Class X: These are technologies lost to
the world; bizarre A.R.M.S. beyond your wildest imagination that may or
may not exist and are the things of legend.