Guild leaders and immunity to spells and other oddities

[axisofebola]

For a bit of revenge on a certain guildleader i was going to charm them and send them into a pack of their members to die...but it seems that they are 100%resistant to charm. It was not simply that they had high magic resist they were immune to the spell.

it also seemed they might be immune to root too but maybe i was just unlucky with thati only tried it a couple times. tried charm about a dozen times. Blue con, using allure. gotta be completely immune.

I also noticed i couldn't give the guild leaders any items to equip, even shopkeepres were also not taking any items.

Was this a weird set of npcs or is it supposed to be like this?