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I just thought I should share this as this is what i encountered in the new patches and it was crazy. there were some behemouths in there aswell. Enjoy

Glad I'm not the only one! Maybe it has to do with the obscene amount of pollution my factory is producing? Also, I had previously gone through and cleared those areas out. Maybe they do that now instead of form new villages?

Those are attack groups.

When they decide to attack, they form a group like that and the group recruits nearby biters for some amount of time. When the time's up, the entire group selects a target and starts moving toward it.

So yes, death circles indeed. Death delivery circles.

You spotted the delivery boy.

Those large groups will either go offensive if a pollution source is nearby, or will travel across the land to spawn new biter nests.

Oxyd wrote:Those are attack groups.

When they decide to attack, they form a group like that and the group recruits nearby biters for some amount of time. When the time's up, the entire group selects a target and starts moving toward it.

So yes, death circles indeed. Death delivery circles.

I hadn't seen any so big until now. And they just sat there for hours. They never actually attacked. They just sat around peacefully until I came through to clear them out. And no, I'm not playing on peaceful mode!