Go for the monster.

The ugly creature is in your opinion the most dangerous enemy. It's skins is to hard for the arrows and spears of your army to reach the heart. And the sharp crab shears already took down some of your soldiers. To attack the creature my be stupid and risky, but it is the right thing to risk your live for your Soldiers. You run towards the monster, defeat a human bandit and two goblins on your way and arrive with only a little scratch on the shoulder. The monster faces you with his spider eyes and croaks. Then it lifts a shear and wants to kill you.