that the Blood Moon horde should be nontrivial for those that choose to play with it on. That breaks the design goals of the game, e.g. Before, underground bases rendered the player completely unreachable - in other words, infinitely safe for a nominal effort. What this does is put underground bases on a more level playing field with above ground bases.
They won’t dig under a wall if you’re both on the same level. Specifically, they’ll dig down if you’re below them. What’s changed is that zombies can dig now.
