http://www.cyberfight.ru/site/columns/56/article_43653/
As for the simplistic discussion, the entire Tactics section is 90% composed of such discussions. You can just scroll through it until you come across posts by Gunnar, Forrest, and Dirty-Player. No one has provided detailed information about magic, so there is room for newcomers to contribute.
Personally, I always try to learn something that is widely applicable and will affect all warriors, not just one monster... For example, when playing as the Swamp faction (in my opinion), I always choose Alkin because he has more advantages, in my opinion! For example, Vistan is a strong warrior and has good attack power from the beginning if archers are available... but how useful is the Archery skill for the Swamp faction? If there is only one archer, and not a very strong one... and you have to spend 2 levels on Archery... and it's also unknown how the game will progress and how many archers will be in the army by the Final Battle...
Also, as I noticed, many players simply choose heroes for a particular Castle just because they see that authoritative players are choosing those heroes... and they don't even really know why they are being chosen...