The "brigands" map (253.253) is consistently one of the busiest (at least when I go there). I see a lot of people come and go or get frustrated when trying to get enough mobs there.
My suggestion is to add some stairs that go "up" to an exact duplicate of the map (minus chests). That will add some more rooms/places to level for those around that level. The building is supposed to be a tower, so going up makes sense too.
I too have proposed several times to increase the most requested and most crowded spawn places.
Even in my day the brigands were very saturated and always full.
So that's okay with me, I'm in favor of anything that can increase the monster spawn a bit, whether it's lowering the spawn limit or creating new places, everything is fine.
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