Nioh 3's first big patch, 1.03.01, has seen Koei Tecmo partially fix an issue that can make it impossible to heal using elixirs during battle.
One of the more insidiously aggravating bugs in Nioh 3 makes it so the game ignores you when you try to use elixirs, but hopefully not for long.
See the list of spells, attacks, armors, and weapons in the Every second add 1 skill point Trello. Learn about the mechanics and see which bosses are worth finding. Overall, anything you wanna know ...