https://wccftech.com/nioh-2-difficulty-ki-management-tweak/

Some of Nioh 2 mechanics and features will be changed for the final release following beta feedback.

Today, Koei Tecmo and Team Ninja published the results of the beta testing survey, highlighting some of the changes that will be made in time for release. The difficulty is going to be balanced and Ki management will be less strict. The tutorial is also going to be improved.