I knew that Tanistry was in the game, but I didn't see it in the tutorial or during my current ~9 hour playthrough as a Welsh character. I finally found it.
Step 1: Go to the title screen for your top-tier title
Step 2: At the very bottom, click "Add Laws"
Step 3: Pick your preferred available elective succession law and add it.
I just switched characters and don't have any prestige, so I can't test if it automatically switches to that succession type or if you need to then change the law in the Realm screen.
Step 1: Go to the title screen for your top-tier title
Step 2: At the very bottom, click "Add Laws"
Step 3: Pick your preferred available elective succession law and add it.
I just switched characters and don't have any prestige, so I can't test if it automatically switches to that succession type or if you need to then change the law in the Realm screen.
- 3