Also known as a Klein Field Generator, it is one of the few defensive technologies that can withstand high energy and gravitronic weaponry
An arcanotech weapon system, also known as an implosion bomb, a Schwartzchild, or a Corrosion Warhead
One of the standard peices of equipment for an adventurer is a sword. But swords were actually very complicated to manufacture. Therefore, an adventurer who owned a sword might have had it passed down through the generations or might have been rewarded by some influential figure. Or simply looted it from a tomb.