[quote=ASTA]
A military comprised of highly-trained soldiers clad in 'outdated' steel armor whom favor Fabian-style tactics, with the soldiers utilizing powerful shoulder-mounted ballista, with said ballista firing bolts that possess tips laced with an unusual (and rather unstable) reactive composite explosive constructed using chemical compounds and conventional explosive material (most likely gunpowder), with the bolts having the capacity to detonate on impact with a target. In a 5th century RP.
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The shoulder mounted weapon does not fire any sort of explosive bolt. The 'shoulder mounted Ballista' is basically a slightly larger scaled crossbow placed over the shoulder and requiring two people to fire it. The city size is of no logical reasoning, Rome was massive, The Imperium isn't therefor people live tighter together. I was originally going to make the Holy Legion a single legion of 10.000 men whom protected fortitude with access to the Imperial arsenal, but I wanted to try and see if this flew before hand. Obviously it didn't so I'll edit it. The exiled legion are clad in outdated, worn and experienced armor, I didn't say the same for the Holy Legion. The Augustus Eagle is, as mentioned a portable, city placed siege weapon of large proportions. it should fit the setting since ballista's were used by the romans during this time and the Augustus Eagle is essentially a larger ballista, yet again placed in an immovable tower in a city. But your wish against the Pheonix bolt is certain and therefor the explosives will be removed, but it'll still be on fire. I am well aware that my soldiers will face incredible dissadvantage in any environment that isn't flat which is why I placed myself around the larger portions of the map that was being occupied with people whom use the larger mountain ranges, the only reason that Fortitude is located on a mountain is because the realms own military forces has trouble getting there, obviously there's roads making it easier. 

The entire exiled legion is unrealiable, and with the coming edit which will make 90% of the entire army into the exiles it will create quite the tension.