[quote=ASTA]
Technically, you could keep an energy shield up for as long as you wanted to--provided you kept the power feed constant. It doesn't make any sense for a barrier of energy to somehow lose effectiveness as it endures hits. However, you might not be able to keep it up forever because of the heat this shield will be producing. If you can't penetrate a ship's armor or shields, you could always drive them into a vulnerable state by simply forcing them to fry themselves to death. I don't see any difference between someone having a suit of powered armor that generates a shield and a random cartoon pony using its magical sparkle horn to generate a protective force field at a whim. So long as you're not combining the two or abusing one or the other, it should be fine. Imo, the parasites that somehow eat through dense alloys within seconds are infinitely worse.
[/quote]

What if that magic sparkly horn can create a black magic plague that can destroy an entire species and only target the species? Because that was going on too. And if that magic sparkly horn can increase the power of any weapon inexplicably? Become not just invisible but completely undetected? Or in the cases of the Princesses, cause suns to go super nova?

Also, the major difference is one requires production facilities that could be targetted to reduce output in a war... The other involves sparkly horns. There's a massive difference between the two that out does a large number of worms breaking out a small section of the wall... Remembering they could cooperate to create one hole and go through one at a time or rather create said small hole and watch as the entire wall is ripped out by decompression as duck has suggested will happen... Or rather, could create a larger form together, remove a small part of the wall then send the worms themselves through.

Also, as we appear to be talking about logistics, what about the insanity behind building an entire second room onto a space station then refusing to link any of its systems for no reason so you have to install more components into that to perform its functions? Would that not be both much more costly and completely pointless from the point of view that this space station wasn't designed with some kind of army of mini ninja's boarding drones in mind?