Okay, big review chapter by chapter (mainly the points i didn't like but hopefully you take it constructively)
Chapter 1
-The Illusion spell at level 4 it says 0.28% dodge shouldn't this be 28% seeing as level 3 was 21%.
-It also says in level 1 that there is 0 X normal damage but then the actual spell says 2 X normal damage it appears however that it doesn't do any damage at level one.
-Wasn't sure where to go, ended up finding the correct place by accident and didn't get to explore half the map.
-Trees were obviously placed so that they enclosed a space (acted as dividers), it didn't look natural.
!Terrain was nice though
!Story idea not too bad
Chapter 2
-Not really a chapter would have been better to just have it as an interlude or something.
-Items and spells didn't cross over from the previous chapter
Chapter 3
!I love the chickens in the stock house
-Map size too big, if you don't need the whole map then cover up the rest of the space with creeps and areas of interest or just make it smaller, plan your map out on paper first see if that helps.
Chapter 4
-Too easy to kill the messenger, he came to me
-Didn't have to defend the alliance at all
!did take me a while to use the mass of tissue stored in my head at the start.
Cinematic
-Really didn't make a lot of sense
Finale
-Got pretty boring, everything was predictable, I could see Mathog's base the whole time
-Spent most of the time destroying buildings with no enemies attacking me. I destroyed a barracks with just chickens
Overall it started out well but lost it in the last few chapters, and each chapter was too easy not many challenges if any in each chapter. I also agree on many points that Ramza said; the spelling and grammar mistakes really detracted from the campaign to the point where it was difficult to work out what people where saying (i'll hazzard a guess and say english isn't your first language?), this is something you might want to get a beta for.
Congradulations on your first campaign but there is a lot of work to do on it yet, try not to take these comments too harsh, it's just my personality most of the time. 4/10