Discussion of third-tier monsters.

Nope. I don't like playing with people. I always lose :(
Almost always...

Well... how is that possible? You need to learn how to play. Okay, that's off-topic.
Then, just take a 4-week growth period as a basis (for example) and create one army with Monks and another with Crusaders in the editor. And have battles with the computer, against yourself. The Crusaders will turn out to be more useful.