Let's say a new noble appears in the realm and somehow manages to get an important title.
How did he get that title in the first place?
If he's got the favour of the ruler, then clearly you're already at odds with the ruler.
If he's got the favour of the realm as a whole, then they can probably get at least some of you thrown out, reducing your power beyond the point where you can control things.
If he doesn't have any of that, then how is he getting any power in the first place?
