These sets and the subtheme as a whole has to be one of the best castle themes Lego have made in a long long time,I just love the fantasy element used here and actual Undead horses is something I've been hoping for to many years to count.
All the sets seem pretty buyable in terms of army building with the Crossbow attack set being a set definately worth buying in huge multiples,I usually don't like the big castle sets but even the Kings castle siege set is decent and I definately like the female mini in the Skeleton tower set.
Now Vikings are a damn good theme as well but I guess I disliked the lack of opponents the sets had in favour of monsters,I'm just glad Knights Kingdom 2 is over as I detested the line...
On a sidenote is the armour decals on the knight in the King's castle siege set different from the armour decals on the knight in the Skeletons prison carriage set?The plate armour looks awesome with what looks like decals on the legs as well...but if you can only get that armour and legs in a most likely