You talk about the Shock and Awe effect of one of these, but I can imagine that the enemy would rarely see this peice of equipment. It would launch attacks for dozens of miles away. I can't imagine this being a forward unit. That said I think this is solid write up with a nice sprinkling of "history".
Okay...it is a lot of iron man in the visuals of breakout. As for the over powered nature of the suit, that only assumes that no other force can come up with something comparable.
Overall though I really enjoyed reading this,
There are a lot of excellent turns of phrase
"Filling his awed mind with its sonorous baritone" for example.
some excellent world building.
I hope the following suggestions do not distract from my praise for this post...which I really enjoyed, thankyou for writing it.
If the author were to revisit this perhaps he could make the suits much more of a blend of mystics and mechanics then it is now. I would also change some of the structure of the story in a very minor ways that might smooth it out a bit. Mostly to make sure that every paragraph clearly explains its subject and does not ramble or rehash other topics. For example, when Dogath starts to have visions or whatever they are the author returns to descriptions of the Avolle crimes at against nature
"Unforgivably greedy, the accursed invaders had savagely dug vast, gaping holes in the flanks of the mountains, seeking to rob the Ragosi of as much iron ore as they could carry off."
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We already know all this, rehashing distracts from the spirit voices and returns us to previous points.
You could always take some of the traits of this system and drop it into a culture you are writing up. In that case nice well organized cultural systems are useful to have. Besides there is a history of posting these sortss of ranking systems on the site for use in games.