With the number of guardians we have is it possible to take on say a planet populating size worth of Fallen or any other species army?
Edit:1)Best guess so far around 30 to 40 million people around the size of Tokyo city.
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Since guardians are not recruited from the population of the city the number would not matter, besides that tho I can't even hazard to guess, we haven't seen a clear view of the city.