I find it odd how the simple crossbow uses iron but that requires a blacksmith and level 2, but that can be worked with. But I was still thinking a basic crossbow that takes just wood, or at least bronze would be neat to see.

Some new passive traits that hearthlings can have, like one can make them fearless, named "Fearless" of monsters, so they'll at least ignore the sight of monsters or was orginally thinking they can be hit by monsters and won't run (Unless low on health.) while they do a task or running out to do a task with also being fearless at the sight of them.
(I.E, you have a hearthling down and a hearthling with fearless will actually run out and rescue the downed one even if seeing monsters and being hit by one.) (And I know Hothead is kinda like this but with only not wanting to run from a fight unless near being downed.)

Another could be a fast walker/speed walker that gives a small Move Speed bonus or speedwalker giving a slighter faster MS. (May or may not work with Adrenaline.)

Adrenaline is where if below a certain health % they could gain a large movespeed bonus to help in running away. (May or may not work with Fast/speedwalker.)

I also use a mod called Miner Profession and got thinking, would it be possible to add it to ACE? With the Author(Author's) permission of course.
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Anyways, thanks for reading through and I just want to say I'd love to see these but if not that's totally fine, ACE is nice as it is.