Capturing Dungeons of different levels.

The skeletons chose a different target because they are equally matched – there's only one pikeman in both locations. Here, you can complete it faster without dealing with individual units: https://imgur.com/a/rBPpvMM The remaining zombies are quickly defeated. The main thing is not to corner yourself. You can also take the level 1 crypt with one stack of wolves (13 units) without causing morale issues. The level 2 crypt can also be taken with two stacks, but I'm too lazy to look for the optimal strategy.