How to get Yokai Teardrops in Nioh 3

Yokai Teardrops in Nioh 3are an item you can start accumulating very early on in your time with Koei Tecmo’s latest Soulslike, but their use isn’t apparent for a while. The further you get into Tokugawa Takechiyo’s journey however, the more useful they’ll be, so knowing where to get and how to use them is essential.