Ive leant that stakes can be very destructive if you dont deal with them by destorying them with 3 bats ect
Your sorcerer is good for killing seige equipment but for example the opponent has a ice queen, and you ise your sorcerer special fire thing, it will wound the queen but NOT kill it
I use cats and xbow and then seige towers with archers on them
Always have batd ready to take out trebs ballistas stakes ect 3 bats is enough
Hopefully these tips help you
H!tman