
In HnH2 we could make it so that you could make a compost bin, or worm bin out of wood and you would need to fill it up with water, straw, and some sort of food or refuse. You would also need to add a certain quantity of worms to it to colonize it, and every so often you could harvest a bunch from it. Think of a big crate with dirt and animated worms wiggling around the top of it when it's ready. Maybe even be able to create soil in very small amounts this way via worm compost? I don't know, just some ideas.
In any case it's just an idea, alternatively we could just have the option to 'forage' on tile and get worms rarely that way without picking up dirt.