Hen came home almost a month later then found her stash

We lost a hen about 24 days ago. We free range and kinda just assumed she got attacked despite not having any problems ATM (raccoons last year). She showed back up today with five chicks! We run a couple incubators and let our broody girls hatch in the coop but this one had to go postal haha. I searched to find where she went and about five feet into the woods I found an old car hood she made a nest under. There were three eggs that just had vessels and an underdeveloped one that died hatching. I was walking away when I heard chirping!! There was an egg buried under a thick layer of leaves that had a chick struggling stuck with what looked like a fungus growing on it. We washed and pulled it off, helped the chick finish coming out, and put it in the incubator. It's walking around now fluffed out chirping with its eyes open. Still a long way to go but this may be a little miracle baby.