“ The creation of intelligent magical weapons is not an exact science and there are occasional failures, as such think of causing a little more stress to your players by 'rewarding' them with an insane magical weapon
eg:
Agrophobic, refuses to come out of the scabbard without a strength check to draw it.
Haemaphobic: afraid of blood, fight at a penalty against any blooded creatures but really good against undead, elementals etc
Schizophrenic, not just one mind in your sword, lets have half a dozen minds in there, all different and bound to cause confusion
the possibilities are endless”
“ Appearing a small ballista bolt, this bolt' is actually an arrow used by a god from a long-dead pantheon. Some sages theorize it was a weapon crafted by Loki to slay the world tree. Why it was never used escapes them however.
The spear has a divine-level anti-plant effect. When driven into the soil point first, an ever widening circle of destruction radiates out from the point, killing any plant material. Perfect for holding a kingdom's food supply for ransom. Any who bear this device are cursed so any plant-based materials they touch crumbles to ash.”
“ A city is being plagued by a swarm of winged mice. The vermin can get anywhere, and they can easily avoid their normal predators by simply flying away from them.”