Goodmorning Justindo,
Yes there is a castle with a defending force of Blue Lion's Knights with a reserve force with Templar Knights.Also there is a same size Viking's army.
This army consists of following Units:
35 Heavy Cavarly (like 3669 Knight but with sword(belt),morning star mace chain mail hair in Dark Grey+ 6 General's Guards(Custom) and the General himself.
26 Armored Crossbowmen (Custom)
34 Elite Guard(typical 7671 with swords(belts) ,axes and pikes + 1 Commander of Elite Guards as my Avatar
36 Standard Infantry (typical 3669 soldiers brown shield,long sword)
16 Raiders (like 3669 soldiers brown shields but with typical Knight swords(belt) and axes)
18 light Infantry(Same Helmet and sword with 3669 but with scale armor and dark shields)
22 Heavy Infantry (Helmet,sword as 3669 with right hand armor ,heavy chest armor and dark shields)
16 Pikemens(Helmet,armor,shield as 3669 soldiers but with knight sword(belt) and pikes
8 Knights (typical 3669 Knights with swords(belts) and axes).
4 Catapults
2 Big Bertha Cannons
2 Siege Towers
If you like i can post photos of each Unit