Editing TROS in the Hammer:Magic Spirits (section)

==Spirit personality==
All contactable spirits (those with at least two qualities) have a name, and are individuals.  For example, if you summon two different Fire spirits with the qualities "create" and "fire", they will have two different names, and at least subtly different personalities.  

In general, the more qualities a spirit possesses, the more "human" the spirit's personality will seem.  The fewer qualities, and the more abstract those qualities are, the more alien the spirit will seem, and the more difficult it will be to contact and communicate with.  Spirits with identical qualities will usually have similar personalities, but this is not guaranteed; spirits with few qualities are liable to be very similar in temperment, but spirits with a lot of qualities (even if the qualities are identical) could be very different in personality.

Some philosophers (particularly the theologians of the Pastorate) have speculated that humans are simply spirits with infinite, or close to infinite, qualities.  The spirits themselves seem pretty closed mouthed about this issue.