Realm Spells improving Defense

[X-MOC/Leman States (Even)]

There are a number of Realm Spells that improve the defense of units, such as Armor of True Steel, the Warrior and the Knight, and Vestment of the Gods. Vestment and True Steel provides a +1 and +2 enchantment bonus respectively. Warrior and Knight provides a +6 and +8 armor bonus respectively.
I know this part of the Regent Guide is not completely updated yet, but are these bonus types correct? If so, what is the base armor bonus one should assume for the various units with regards to stacking purposes of Armor type bonuses?

[DM B]

Warrior and Knight would not stack with the armor bonus a unit already has; vestment and true steel do stack with mundane armor.

Vestment and true steel are probably too weak anyway, but you'll have to wait before you get an update (low level spells and much used spells will be updated first)