Heavy Type Arms are a lot like Glove Type Arms, except for the fact that they deal WAY more damage. These punches head in only one direction when thrown, but when they nail a foe, they hit them hard. Unfortunately, these types of Arms are the slowest in the entire game.
There Are 6 Heavy Type Arms:
Megaton: 110 Base Damage, 130 Charged Damage
Megawatt: Electric Element, 110 Base Damage, 110 Charged Damage
Whammer: Stun Element, 100 Base Damage, 120 Charged Damage
Blorb: Blind Element, 100 Base Damage, 100 Charged Damage
Guardian: Electric Element, 80 Base Damage, 80 Charged Damage
Parasol: Wind Element, 90 Base Damage, 100 Charged Damage