It's important to understand that you only get rewards for fighting monsters when your troops defeat at least one enemy unit.
You won't get a reward if you don't defeat any enemy units in a monster squad.
Take a look at the battle report below to see an example of this.
Tip
To avoid this outcome, consider diversifying your army by taking as many different types of troops as possible into battle. That will ensure that your army doesn't get one-shotted by the monster, thus allowing you to score more points.
