It's so good, but so hard. Here's something that has helped me recently. I start a local Team Deathmatch, join red with a training sword, get into a corner next to a supply box, and then ` to get console and "AddBotsTeam 2 1". It's really helping me with my double parry/chain parry and keeping my vision processing more than 1 attack at a time. I'll then give myself a real weapon and have 4 enemies at a time from the same place and just try to survive.