Heimdaal is the largest and oldest of the gestalt fighting machines. Originally built for war these giant robots are now used to fight eachother in collossal stadiums for entertainment.
Heimdaal is classed as a super heavy one of only two left in existence. Nicknamed 'The Hunter' his AI is clinical and precise owing much of his skill to the vast experience he possesses. It is not known precisely how old Heimdaal actually is compared to the various smaller machines that compete around him. However, his design is unique compared to an other machine that encounters him.