So, we just had a civil war, what about a second one? Whether the Nanbokuchō Jidai situation resolves successfully or not, an even bigger civil war will still be looming. The Sengoku Jidai situation can happen after 1400 if there is no Shōgun, or if the Shōgun is in a weak position (low legitimacy or stability, or with rebellion problems), or if there are more than 6 wars currently active among the clans. As such, a strong shogunate will be able to avoid falling into it if they manage to keep their children in check.

Once it starts, the stronger and bigger clans will automatically transform into landed Daimyō, with the rest receiving an event with the option to also become landed, at the cost of opinion with the shogunate.

Becoming landed will have many consequences. For once, all locations in the shogunate in which they have a presence with their buildings will become owned by them, and they will receive a new government reform replacing the “Japanese Clan” one: