Machina are the result of humans becoming infected with [[M2 Nanomachines]]. The Machina exist in a symbiotic relationship with the M2 Nanomachines: The M2 Nanomachines carry out vital functions in the biomechanical body of a Machina, whilst the Machina help the M2 Nanomachines survive, spread, and evolve. | Machina are the result of humans becoming infected with [[M2 Nanomachines]]. The Machina exist in a symbiotic relationship with the M2 Nanomachines: The M2 Nanomachines carry out vital functions in the biomechanical body of a Machina, whilst the Machina help the M2 Nanomachines survive, spread, and evolve. |