Is faction the only thing that determines factioned-NPC aggression?

[Nuggie]

Originally Posted by valcaron [You must be logged in to view images. Log in or Register.]

Anyway, this is what piqued my curiosity at the Marr temple:

Targeted Ghonic Erharn. Cleric GM. According to the Wiki, he's on Knights Of Truth, Priests Of Marr, and Steel Warriors. Cons "Dubious".

Targeted Arem Ulosia. Paladin GM. According to the Wiki, he's on the exact same factions as Ghonic Erharn; no more, no less. Cons "Threateningly".
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I think ghonic is on priests of Marr faction which is allied to knights/warriors. And arem is on knights faction which is allied to clerics/warriors. They aren't all on all three factions. They have a primary faction that determines what your /consider is and then they have separate allies' factions.