For that matter, why is Redwall so impregnable anyway?
It’s built on the same site as Kotir, which obviously proved not so impregnable, and that was a castle built for war, not an abbey built for mice in skirts. And that location is at the bottom of a huge depression in the ground. Even if you don’t try to defeat it by creating a freakin’ lake that’s a pretty big tactical disadvantage. • This is actually brought up in one book where the south wall starts to collapse because of this. • Redwall has yet to face a force that included significant amounts of moles, and retained a significant force of moles itself. Given the disastrous results of previous attempts to undertunnel the architecture, and the place being designed by the very mouse who decided to flood Kotir in the first place, it’s a bigger proposition than you’d expect. On the other hand, the walls have been successfully bypassed before, and in other cases were only supported due to the aforementioned magical ghost (or were bypassed and the goodbeasts saved only due to the magical gh
