Charm Pet Faction Assists

[7thGate]

So, I was reading one of the bug reports on this forum (the one about charming hatchlings in NToV), and I came across this statement:

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

...The issue being players having access to non-MR slows with npc casting resists being what they were. There's also the lesser issue of starting CoV faction wars with GoV to kill shit....

I'm kind of curious about what this might imply. Is it possible to get two different factions that don't normally aggro each other in a fight such that mobs from each faction naturally assist each other against the mobs from the other faction? If so, do you need to do anything fancy for that, or just start a fight between a charmed pet on faction 1 against something from faction 2 around his buddies that would normally assist him?

Don't have a charming class, so I can't test anything, but generally curious about all the little edge cases in EQ mechanics, so I would love to know if this is possible!