Mechon 84

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Mechon 84 was a Mechonoid stationed on the planet Hesperus where the Mechanoids had been preparing for human colonisation for centuries, defending it from a Dalek invasion to that end. During the battle, 84 joined with units 179, 803 and Mechon 212, using their combined firepower to destroy a single Dalek at the cost of unit 803. To replace 803, 84 summoned Mechon 612 to join them. Soon after, Mechon 84 exploded, having been hit by a blast from a Movellan trooper. (PROSE: War of the Daleks)