ZERO-ARMS are digital life forms that serve others Digimon as weapons or vehicles. They are created by Digimon researchers. Despite not being smart, they hide a powerful power on a par with that of a Digimon Mega. The name ZEro-ARMS is an abbreviation for "Zero ARtificial MonSter", although they are also known as "Digital Life Weapons".
ZERO-ARMS can refer to either:
- Zero ARMS Grani: A flying vehicle with an armor from Chrome Digizoid that serves as a transport vehicle for Gallantmon.
- ZERO-ARMS Orochi: A large cannon capable of emanating a long blade of light capable of cutting the enemy. When it disarms it reveals a hidden sword. It is the main weapon of Susanoomon.