As stated above, quad legs use a set of four legs to skim around quickly,. They boast respectable load weight and incredible agility. Their most outstanding and unique feature however is the ability to fire shoulder cannon weapons whilst moving. Both of these features make them perfect for ground combat. Due to their perpetually low posture, they have no need to squat any lower to be in a firing position, in the first series of games they cannot fire if they're airborne but in later installments this limit was removed.