I guess this explains the Kanmusu that come as quest rewards. They would be these wandering ships that rescued after a mission.
I feel that it's more like drop system though.
Whichever it is, so there’s a large chance that we can find another spirit like you who doesn’t turn into demon still wandering aroundI just felt itWhile their living body can be healed by the equipments, I’m the only one who could fix their equipmentsRight. Actually these things aren’t naturalYou mean there’s a cause for it ?Souls who should have become ancient spirits suddenly turn into demons in large numberLike that. Even so, she would soon become incapacitated if she fought aloneUnfortunately, I don't know that much
