This is a collection of metal suits down through the ages. Not one single set, however, is entirely intact, and it soon becomes clear that these are actually rather grisly trophies of kills by Rookous past. This would seem to be the mage equivalent of shrunken heads, bringing back the armour which so laughably failed to protected the over-muscled but under-magicked men who sought to challenge Rookou rule.
Many of the suits contain holes in obsure and unpleasant places which bespeak a slow death. There are only a couple where heart or head shots appear to have provided a clean kill.
Roleplay (if you can abide the stench of rusty metal tinged with blood)