"You do not need to be a cleric to bring light into the world."
(a Mage follower of Isis, npc suitable for any fantasy campaign with gods of light.)
Magic is a blessing and curse, life and death, birth and undoing, a goal and a way.
Once the daughter of a royal family of the Living Lands, Golden Tears Mistress forsook her family’s ancestor offerings in exchange for the privileges of the court of First and Night-Crowned Wolf.
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
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