As a world eaters player id like to just correct you on something, the world eaters daemon prince did originally give and aura of 4+ invun, this change was actually and nerf to stop people from doing a certain skew list with alot of jakhals near a daemon prince, giving them a 4+ invun on top of a 5+fnp via the army rule, compunded by giving the daemon prince the helm of braizen ire to halve any incoming dmg to it
A lot of them are. Many of them aren't THAT far off but most got slight changes. I don't think any of them (other than maybe csm) went up more than 150 points